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• WCF - The maximum nametable character count quota (16384) has been exceeded while reading XML data.

  - by Jankhana

  I'm having a WCF Service that uses wsHttpBinding. The server configuration is as follows : <bindings> <wsHttpBinding> <binding name="wsHttpBinding" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647"> <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" /> <security mode="None"> <transport clientCredentialType="Windows" proxyCredentialType="None" realm="" /> <message clientCredentialType="Windows" negotiateServiceCredential="true" algorithmSuite="Default" establishSecurityContext="true" /> </security> </binding> </wsHttpBinding> </bindings> At the client side I'm including the Service reference of the WCF-Service. It works great if I have limited functions say 90 Operation Contract in my IService but if add one more OperationContract than I'm unable to Update the Service reference nor i'm able to add that service reference. In this article it's mentioned that by changing those config files(i.e devenv.exe.config, WcfTestClient.exe.config and SvcUtil.exe.config) it will work but even including those bindings in those config files still that error pops up saying There was an error downloading 'http://10.0.3.112/MyService/Service1.svc/mex'. The request failed with HTTP status 400: Bad Request. Metadata contains a reference that cannot be resolved: 'http://10.0.3.112/MyService/Service1.svc/mex'. There is an error in XML document (1, 89549). The maximum nametable character count quota (16384) has been exceeded while reading XML data. The nametable is a data structure used to store strings encountered during XML processing - long XML documents with non-repeating element names, attribute names and attribute values may trigger this quota. This quota may be increased by changing the MaxNameTableCharCount property on the XmlDictionaryReaderQuotas object used when creating the XML reader. Line 1, position 89549. If the service is defined in the current solution, try building the solution and adding the service reference again. Any idea how to solve this????

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• What is best practice as far as using perl-isms (idiomatic expressions) in Perl?

  - by DVK

  A couple of years back I participated in writing the best practices/coding style for our (fairly large and often Perl-using) company. It was done by a committee of "senior" Perl developers. As anything done by consensus, it had parts which everyone disagreed with. Duh. The part that rubbed wrong the most was a strong recommendation to NOT use many Perlisms (loosely defined as code idioms not present in, say C++ or Java), such as "Avoid using '... unless X;' constructs". The main rationale posited for such rules as this one was that non-Perl developers would have much harder time with the Perl code base otherwise. The assumption here I guess is that Perl code jockeys are rarer breed overall - and among new hires to the company - than non-Perlers. I was wondering whether SO has any good arguments to support or reject this logic... it is mostly academic curiosity at this point as the company's Perl coding standard is ossified and will never be revised again as far as I'm aware. P.S. Just to be clear, the question is in the context I noted - the answer for an all-Perl smaller development shop is obviously a resounding "use Perl to its maximum capability".

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• Create non-persistent cookie with FormsAuthenticationTicket

  - by Marcus

  Hello! I'm having trouble creating a non-persistent cookie using the FormsAuthenticationTicket. I want to store userdata in the ticket, so i can't use FormsAuthentication.SetAuthCookie() or FormsAuthentication.GetAuthCookie() methods. Because of this I need to create the FormsAuthenticationTicket and store it in a HttpCookie. My code looks like this: DateTime expiration = DateTime.Now.AddDays(7); // Create ticket FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(2, user.Email, DateTime.Now, expiration, isPersistent, userData, FormsAuthentication.FormsCookiePath); // Create cookie HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, FormsAuthentication.Encrypt(ticket)); cookie.Path = FormsAuthentication.FormsCookiePath; if (isPersistent) cookie.Expires = expiration; // Add cookie to response HttpContext.Current.Response.Cookies.Add(cookie); When the variable isPersistent is true everything works fine and the cookie is persisted. But when isPersistent is false the cookie seems to be persisted anyway. I sign on in a browser window, closes it and opens the browser again and I am still logged in. How do i set the cookie to be non-persistent? Is a non-persistent cookie the same as a session cookie? Is the cookie information stored in the sessiondata on the server or are the cookie transferred in every request/response to the server? Thanks in advance! /Marcus

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• NHibernate SubclassMap gives DuplicateMappingException

  - by stiank81

  I'm using NHibernate to handle my database - with Fluent configuration. I'm not using Automappings. All mappings are written explicitly, and everything is working just fine. Now I wanted to add my first mapping to a subclass, using the SubclassMap, and I run into problems. With the simplest possible setup an Nhibernate DuplicateMappingException is thrown, saying that the subclass is mapped more than once: NHibernate.MappingException : Could not compile the mapping document: (XmlDocument) ---- NHibernate.DuplicateMappingException : Duplicate class/entity mapping MyNamespace.SubPerson I get this with my simple classes written for testing: public class Person { public int Id { get; set; } public string Name { get; set; } } public class SubPerson : Person { public string Foo { get; set; } } With the following mappings: public class PersonMapping : ClassMap<Person> { public PersonMapping() { Not.LazyLoad(); Id(c => c.Id); Map(c => c.Name); } } public class SubPersonMapping : SubclassMap<SubPerson> { public SubPersonMapping() { Not.LazyLoad(); Map(m => m.Foo); } } Any idea why this is happening? If there were automappings involved I guess it might have been caused by the automappings adding a mapping too, but there should be no automapping. I create my database specifying a fluent mapping: private static ISession CreateSession() { var cfg = Fluently.Configure(). Database(SQLiteConfiguration.Standard.ShowSql().UsingFile("unit_test.db")). Mappings(m => m.FluentMappings.AddFromAssemblyOf<SomeClassInTheAssemblyContainingAllMappings>()); var sessionSource = new SessionSource(cfg.BuildConfiguration().Properties, new TestModel()); var session = sessionSource.CreateSession(); _sessionSource.BuildSchema(session); return session; } Again; note that this only happens with SubclassMap. ClassMap's are working just fine!

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• jQuery "Microsoft JScript runtime error: Object expected"

  - by Oskar Kjellin

  I have the below code that does not seem to work at all :( I keep getting: Microsoft JScript runtime error: Object expected The error seems to occur when the timeout is done. So if I raise the timeout with 10 seconds the error holds for another 10 seconds. I want to be able to update the number of friends online async. The number is shown with the following html: <a href="" id="showChat" >Friends online <strong id="friendsOnline">(?)</strong></a> The friends part is set at the first run, but when the timeout calls back it does not fire again. Also, I cannot see on which line the error occurs because if I want to break on the error it just shows "no source code" etc. The code below is the code I'm using. Thanks! <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.3.2.js" type="text/javascript"></script> <script src='/Scripts/MicrosoftAjax.js' type="text/javascript"></script> <script src='/Scripts/MicrosoftMvcAjax.js' type="text/javascript"></script> <script src='/Scripts/jquery.autocomplete.js' type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { UpdateFriendsOnline(); function UpdateFriendsOnline() { window.setTimeout("UpdateFriendsOnline()", 1000); $.get("/Account/GetFriendsOnline", function(data) { $("#friendsOnline").html("(" + data + ")"); }); } }); </script>

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• jquery mouseover/mouseout

  - by Hulk

  In the following code once the mouse out is done the mouse over again does not work ,what is the work around for this <!DOCTYPE html> <html> <head> <style> /* div { background:#def3ca; margin:3px; width:80px; display:none; float:left; text-align:center; }*/ </style> <script src="http://code.jquery.com/jquery-latest.min.js"></script> </head> <body> <div id="playControls" style="position:absolute; bottom:0px; left:0px; right:0px;color:blue;"> Mouse over me </div> <script> $(document).ready(function() { $("#playControls").mouseover(function () { alert('here'); $("div:eq(0)").show("fast", function () { /* use callee so don't have to name the function */ $(this).next("div").show("fast", arguments.callee); }); }); $("#playControls").mouseout(function () { alert('here'); $("div").hide(2000); }); }); </script> </body> </html>

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• Synapse and string problems with HTTPSend in Delphi 2010

  - by Mick

  I have been trying to get to the bottom of this problem off and on for the past 2 days and I'm really stuck. Hopefully some smart folks can help me out. The issue is that I have a function that I call in a thread that downloads a file (using Synapse libraries) from a website that is passed to it. However, I've found that every once in a while there are sites where it will not pull down a file, but wget or Firefox/IE will download it without issue. Digging into it, I've found some curious things. Here is the relevant code: uses //[..] HTTPSend, blcksock; //[..] type TMyThread = class(TThread) protected procedure Execute; override; private { Private declarations } fTheUrl: string; procedure GetFile(const TheUrl: string); public property thrd_TheUrl: string read fTheUrl write fTheUrl; end; implementation [..] procedure TMyThread.GetFile(const TheUrl: string); var HTTP: THTTPSend; success: boolean; sLocalUrl: string; IsSame : boolean; begin HTTP := THTTPSend.Create; try HTTP.UserAgent := 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727)'; HTTP.ProxyHost := 'MYPROXY.COM'; HTTP.ProxyPort := '80'; sLocalUrl := 'http://web.archive.org/web/20071212205017/energizer.com/usbcharger/download/UsbCharger_setup_V1_1_1.exe'; IsSame := SameText(sLocalUrl, sTheUrl); //this equals True when I debug /// /// /// THIS IS WHERE THE ISSUE BEGINS /// I will comment out 1 of the following when debugging /// HTTP.HTTPMethod('GET', sLocalUrl); // ----this works and WILL download the file HTTP.HTTPMethod('GET', sTheUrl); // --- this always fails, and HTTP.ResultString contains "Not Found" success := SysUtils.UpperCase(HTTP.ResultString) = 'OK'; if HTTP.ResultCode > 0 then success := True; //this is here just to keep the value around while debugging finally HTTP.Free; end; end; procedure TMyThread.Execute begin //fTheURL contains this value: http://web.archive.org/web/20071212205017/energizer.com/usbcharger/download/UsbCharger_setup_V1_1_1.exe GetFile(fTheUrl); end; The problem is that when I assign a local variable to the function and give it the URL directly, everything works. However, when passing the variable into the function, it fails. Anyone have any ideas? HTTP.HTTPMethod('GET', sLocalUrl); // ----this works and WILL download the file HTTP.HTTPMethod('GET', sTheUrl); // --- this always fails, and HTTP.ResultString contains "Not Found" I'm using the latest version of Synapse from their SVN repository (version from 2 days ago). NOTE: The file I am attempting to download is known to have a virus, the program I am writing is meant to download malicious files for analysis. So, don't execute the file once you download it. However, I'm using this URL b/c this is the one I can reproduce the issue with.

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• Forcing UIInterfaceOrientation changes on iPhone

  - by Andiih

  I'm strugging with getting an iPhone application which requires just about every push or pop in the Nav Controller Stack to change orientation. Basically the first view is portrait, the second landscape the third portrait again (Yes I know this is less than ideal, but that's the design and I've got to implement it). I've been through various advice on here.... http://stackoverflow.com/questions/995723/how-do-i-detect-a-rotation-on-the-iphone-without-the-device-autorotating http://stackoverflow.com/questions/1824682/force-portrait-orientation-on-pushing-new-view-to-uinavigationviewcontroller http://stackoverflow.com/questions/181780/is-there-a-documented-way-to-set-the-iphone-orientation But without total success. Setting to link against 3.1.2 my reading of the linked articles above seems to indicate that if my portrait view pushes a view with - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return ((interfaceOrientation == UIInterfaceOrientationLandscapeRight) ); } Then then that view should appear rotated to landscape. What happens is it appears in its "broken" portrait form, then rotates correctly as the device is turned. If I pop the controller back to my portrait view (which has an appropriate shouldAutoRotate...) then that remains in broken landscape view until the device is returned to portrait orientation. I've also tried removing all the shouldautorotate messages, and instead forcing rotation by transforming the view. This kind of works, and I've figured out that by moving the status bar (which is actually hidden in my application) [UIApplication sharedApplication].statusBarOrientation = UIInterfaceOrientationLandscapeRight; the keyboard will appear with the correct orientation when desired. The problem with this approach is that the status bar transform is weird and ugly when you don't have a status bar - a shadow looms over the page with each change. So. What am I missing. 1) Am I wrong in thinking that in 3.1.2 (or possibly earlier) shouldAutorotateToInterfaceOrientation should provide the desired orientation simply by pushing controllers ? 2) Is there another way of getting keyboards to appear in the correct orientation. 3) Are the undocumented API calls the way to go (please no!)

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• Drawing custom graphics on the iPhone: CALayer vs. CGContext

  - by Henry Cooke

  Hi all, I have an application in which I'm doing some custom drawing, a bunch of lines on a gradient background, like so (ignore the text, they're just UILabels): At the moment, that's all done by starting a new CGContext, drawing stuff into it with CGContextDrawLinearGradient and CGContextStrokePath, then finally saving the resulting image with UIGraphicsGetImageFromCurrentImageContext. The positioning info is calculated while I'm laying out those labels, so it'd be a PITA (and duplication of effort) to calculate it all over again when the containing UIView is drawn with drawRect, so I'm drawing it ahead of time into a UIImage. All works fine, so far so good. However, I have a sneaking suspicion that it may be more efficient to use CALayers to do this drawing. My (cursory) understanding of the difference between the two approaches is that a CALayer is more like a bunch of instructions to draw stuff, and so takes up less memory until it's actually drawn onscreen, whereas drawing everything into a UIImage ahead of time means that you've got a sodding great bitmap kicking around in memory all the time, whether it's drawn or not. Is that a correct understanding? What is generally considered to be the best way of drawing custom images on the iPhone?

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• MVC 2: Html.TextBoxFor, etc. in VB.NET 2010

  - by Brian

  Hello, I have this sample ASP.NET MVC 2.0 view in C#, bound to a strongly typed model that has a first name, last name, and email: <div> First: <%= Html.TextBoxFor(i => i.FirstName) %> <%= Html.ValidationMessageFor(i => i.FirstName, "*") %> </div> <div> Last: <%= Html.TextBoxFor(i => i.LastName) %> <%= Html.ValidationMessageFor(i => i.LastName, "*")%> </div> <div> Email: <%= Html.TextBoxFor(i => i.Email) %> <%= Html.ValidationMessageFor(i => i.Email, "*")%> </div> I converted it to VB.NET, seeing the appropriate constructs in VB.NET 10, as: <div> First: <%= Html.TextBoxFor(Function(i) i.FirstName) %> <%= Html.ValidationMessageFor(Function(i) i.FirstName, "*") %> </div> <div> Last: <%= Html.TextBoxFor(Function(i) i.LastName)%> <%= Html.ValidationMessageFor(Function(i) i.LastName, "*")%> </div> <div> Email: <%= Html.TextBoxFor(Function(i) i.Email)%> <%= Html.ValidationMessageFor(Function(i) i.Email, "*")%> </div> No luck. Is this right, and if not, what syntax do I need to use? Again, I'm using ASP.NET MVC 2.0, this is a view bound to a strongly typed model... does MVC 2 still not support the new language constructs in .NET 2010? Thanks.

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• How create a Firefox-like search textbox in WPF?

  - by Simon

  Hey there. I'm writing an application in WPF using the MVVM-pattern and will really often use TextBoxes. I don't want to use labels for the user to know user what the text box is for, i.e. I don't want something like this: <TextBlock> Name: </TextBlock> <TextBox /> Instead, I would like the TextBox to contain its own label. Statically, you would express it like this: <TextBox>Name</TextBox> If the cursor is displayed in the textbox, i.e. the TextBox gains focus, I want the description text to disappear. If the TextBox is left empty and it loses the focus, the description text should be shown again. It's similar to the search textbox of StackOverflow or the one of Firefox. (please tell me if your not sure what I mean). One TextBox's label may change at runtime, dependending on e.g. a ComboBox's selected element or a value in my ViewModel. (It's like in Firefox's search TextBox, if you select google from the search engins' menu, the TextBox's label changes to "Google", if you select "Yahoo" its set to "Yahoo"). Thus I want to be able to bind the label's content. Consider that I may already have a Binding on the Text-Property of the TextBox. How can implement such a behaviour and make it reusable for any of my TextBox's? Code is welcome but not needed; a description of what to do is enough. Thank you in advance.

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• Android: trouble updating to Android SDK Tools, revision 7.

  - by Arhimed

  Currently I have Android SDK 2.1 (+ tools revision 4). I'd like to upgrade to Android SDK 2.2. When I try to do it I'm informed I need to upgrade Android SDK Tools to revision 7 first. So I agree, the process starts and then I get an error: -= warning! =- A folder failed to be renamed or moved. On Windows this typically means that a program Is using that Folder (for example Windows Explorer or your anti-virus software.) Please momentarily deactivate your anti-virus software. Please also close any running programs that may be accessing the directory 'D:\Install\Programming\android-sdk-working-dir\android-sdk_r04-windows\android-sdk-windows\too!s'. When ready, press YES to try again. Downloading Android SDK Tools, revision 7 Installing Android SDK Tools, revision 7 Failed to rename directory D:\Install\Programming\android-sdk-working-dir\android-sdk_r04-windows\android-sdk-windows\tools to D:\Install\Programming\android-sdk-working-dir\android-sdk_r04-windows\android-sdk-windows\temp\ToolPackage.old01. I am aware of http/https and antivirus issues. So I disactivated my AV. I also closed any application that might hold a handle to the folder. Eclipse is also closed (I start the manager via command line). However I still get the same error. Looks like the only app that can hold a handle to the folder is the manager itself, because its starting directory is the one the error complains about ('\tools'). I am on Win XP Pro + SP3. Does anyone have an idea?

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• Upgrading EntLib 4.1 to 5 with Oracle.DataAccess.Client

  - by mlk

  Hello, I am upgrading a project from EntLib 4.1 to EntLib 5. I've skimmed through the Migration Guide, changed all the references and updated all the config files to point to EntLib 5. All worked fine accept Oracle database access. With the config file: <configuration> <configSections> <section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="true" /> </configSections> <dataConfiguration defaultDatabase="prod"> <providerMappings> <add databaseType="Microsoft.Practices.EnterpriseLibrary.Data.Oracle.OracleDatabase, Microsoft.Practices.EnterpriseLibrary.Data" name="Oracle.DataAccess.Client" /> </providerMappings> </dataConfiguration> <connectionStrings> <add name="prod" connectionString="Data Source=dev;User Id=dev;Password=dev;" providerName="Oracle.DataAccess.Client" /> </connectionStrings> </configuration> which worked with 4.1 all calls to DatabaseFactory.CreateDatabase() fails with: System.InvalidOperationException: The type Database cannot be constructed. You must configure the container to supply this value. If I replace Oracle.DataAccess.Client with the Microsoft System.Data.Oracleclient it all works again, but is not full of ODP.net lovelyness. Does anyone know how to get this to work with EntLib 5? Cheers, Mlk

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• Asp.Net membership via ASP.NET Website Administrator Tool

  - by luppi

  I created a database with aspnet_regsql, the database was created in sql sever 2008 and not in data folder in my project (do I need to move it to the folder manually?). Next, in Web Site Administration Tool I went to provider section and clicked don Test button. I got an error: Could not establish a connection to the database. If you have not yet created the SQL Server database, exit the Web Site Administration tool, use the aspnet_regsql command-line utility to create and configure the database, and then return to this tool to set the provider. Maybe I need to set something in a web.config, like membership settings or connection strings (or ASP.NET Website Administrator Tool should create those settings for me)? Update: Maybe it happens because I am using SQL server 2008 full and not express? Update 2: After setting membership section and connection string to my aspnetdb database in Web Site Administration Tool I've opened security-Security Setup Wizard-Define Roles (stage 4) I got this error: An error was encountered. Please return to the previous page and try again. The following message may help in diagnosing the problem: Unable to connect to SQL Server database. at System.Web.Administration.WebAdminPage.CallWebAdminHelperMethod(Boolean isMembership, String methodName, Object[] parameters, Type[] paramTypes) at ASP.security_wizard_wizardpermission_ascx.OnInit(EventArgs e) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

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• jerky animation using Core Animation

  - by Paul from Boston

  In my iPhone app, I am trying to get some red and white stripes that are scrolling across the screen to animate smoothly when the speed of the stripes gets high. In my app the user starts the animation and changes the scrolling speed by a finger swipe and changes the width of the stripes by a two finger pinch. Animation is stopped in response to a double tap. If the speed gets high or the stripes get narrow the animation is no longer smooth to the eye. The edges of the stripes seem to jump around. The animation is simple. I draw the stripes in a layer that's a bit larger than the screen. I then set up an animation that moves the layer position by exactly the distance from one red stripe to the next. The duration is set by the speed of the finger swipe and the repeat count is 1. When the animation stops the delegate checks a flag to see if the user wants to stop the scrolling. If not, the animation is restarted again for one cycle. Are there better ways of doing this so that the animation is smooth at high speeds or with narrow stripes? Thanks--

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• Unable to validate data. at System.Web.Configuration.MachineKeySection.GetDecodedData

  - by Ben Williams

  I have several websites which get approximately 3000 pageviews in total per day, and I get this viewstate error roughly 5-10 times per day, caught in global.asax: System.Web.HttpException: Unable to validate data. at System.Web.Configuration.MachineKeySection.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Int32& dataLength) at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) I have tried: hard-coding the machine key in web.config for all websites hard-coding the machien key in machine.config adding items to the pages section of the web.config for all websites. Machine key looks like: <machineKey validationKey="key goes here" decryptionKey="key goes here" validation="SHA1" decryption="AES" /> Pages section looks like: <pages renderAllHiddenFieldsAtTopOfForm="true" validateRequest="false" enableEventValidation="false" viewStateEncryptionMode="Never"> The errors are not related to application pool recycling as best I can tell, as the pool is set to recycle at every 100,000 requests. I am not running a web farm or web garden. Quite often I get two or three of these errors in a row, as if a user is getting an error, going back, and then clicking the link again. Anyone have any ideas?

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• Pass dataset to subreport with SQL Server Reporting Services

  - by Juliet

  I'm using SQL Server Reporting Services and the report designer that comes with Visual Studio. I've got a really big report. It's actually so large that Visual Studio hangs (sometimes for hours at a time) or just crashes when I make changes. There is preciously little I can do to solve the problem, so I've decided to just move the bottom half of the report into a sub-report. So, I started with one enormous, unresponsive report and ended with two small, manageable reports -- surprisingly, this actually works. One problem: my subreport uses the same data as my main report. Right now, it populates its dataset by re-querying the database. The extra round-trip to the database causes the report to take twice as long to generate; up from 45 minutes to 1 1/2 hours to generate. I'd like to avoid hitting the database again, and instead use the same dataset in both reports. How can I share or pass a dataset between a report and subreport?

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• WCF security via message headers

  - by exalted

  I'm trying to implement "some sort of" server-client & zero-config security for some WCF service. The best (as well as easiest to me) solution that I found on www is the one described at http://www.dotnetjack.com/post/Automate-passing-valuable-information-in-WCF-headers.aspx (client-side) and http://www.dotnetjack.com/post/Processing-custom-WCF-header-values-at-server-side.aspx (corrisponding server-side). Below is my implementation for RequestAuth (descibed in the first link above): using System; using System.Diagnostics; using System.ServiceModel; using System.ServiceModel.Configuration; using System.ServiceModel.Dispatcher; using System.ServiceModel.Description; using System.ServiceModel.Channels; namespace AuthLibrary { /// <summary> /// Ref: http://www.dotnetjack.com/post/Automate-passing-valuable-information-in-WCF-headers.aspx /// </summary> public class RequestAuth : BehaviorExtensionElement, IClientMessageInspector, IEndpointBehavior { [DebuggerBrowsable(DebuggerBrowsableState.Never)] private string headerName = "AuthKey"; [DebuggerBrowsable(DebuggerBrowsableState.Never)] private string headerNamespace = "http://some.url"; public override Type BehaviorType { get { return typeof(RequestAuth); } } protected override object CreateBehavior() { return new RequestAuth(); } #region IClientMessageInspector Members // Keeping in mind that I am SENDING something to the server, // I only need to implement the BeforeSendRequest method public void AfterReceiveReply(ref System.ServiceModel.Channels.Message reply, object correlationState) { throw new NotImplementedException(); } public object BeforeSendRequest(ref System.ServiceModel.Channels.Message request, System.ServiceModel.IClientChannel channel) { MessageHeader<string> header = new MessageHeader<string>(); header.Actor = "Anyone"; header.Content = "TopSecretKey"; //Creating an untyped header to add to the WCF context MessageHeader unTypedHeader = header.GetUntypedHeader(headerName, headerNamespace); //Add the header to the current request request.Headers.Add(unTypedHeader); return null; } #endregion #region IEndpointBehavior Members public void AddBindingParameters(ServiceEndpoint endpoint, System.ServiceModel.Channels.BindingParameterCollection bindingParameters) { throw new NotImplementedException(); } public void ApplyClientBehavior(ServiceEndpoint endpoint, ClientRuntime clientRuntime) { clientRuntime.MessageInspectors.Add(this); } public void ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher) { throw new NotImplementedException(); } public void Validate(ServiceEndpoint endpoint) { throw new NotImplementedException(); } #endregion } } So first I put this code in my client WinForms application, but then I had problems signing it, because I had to sign also all third-party references eventhough http://msdn.microsoft.com/en-us/library/h4fa028b(v=VS.80).aspx at section "What Should Not Be Strong-Named" states: In general, you should avoid strong-naming application EXE assemblies. A strongly named application or component cannot reference a weak-named component, so strong-naming an EXE prevents the EXE from referencing weak-named DLLs that are deployed with the application. For this reason, the Visual Studio project system does not strong-name application EXEs. Instead, it strong-names the Application manifest, which internally points to the weak-named application EXE. I expected VS to avoid this problem, but I had no luck there, it complained about all the unsigned references, so I created a separate "WCF Service Library" project inside my solution containing only code above and signed that one. At this point entire solution compiled just okay. And here's my problem: When I fired up "WCF Service Configuration Editor" I was able to add new behavior element extension (say "AuthExtension"), but then when I tried to add that extension to my end point behavior it gives me: Exception has been thrown by the target of an invocation. So I'm stuck here. Any ideas?

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• Crystal Reports Reportviewer - Set Datasource Dynamically Not Working :argh:

  - by Albert

  I'm running CR XI, and accessing .RPT files through a ReportViewer in my ASP.NET pages. I've already got the following code, which is supposed to set the Report Datasource dynamically. rptSP = New ReportDocument Dim rptPath As String = Request.QueryString("report") rptSP.Load(rptPath.ToString, 0) Dim SConn As New System.Data.SqlClient.SqlConnectionStringBuilder(ConfigurationManager.ConnectionStrings("MyConnectionString").ConnectionString) rptSP.DataSourceConnections(SConn.DataSource, SConn.InitialCatalog).SetConnection(SConn.DataSource, SConn.InitialCatalog, SConn.UserID, SConn.Password) Dim myConnectionInfo As ConnectionInfo = New ConnectionInfo myConnectionInfo.ServerName = SConn.DataSource myConnectionInfo.DatabaseName = SConn.InitialCatalog myConnectionInfo.UserID = SConn.UserID myConnectionInfo.Password = SConn.Password 'Two new methods to loop through all objects and tables contained in the requested report and set 'login credentials for each object and table. SetDBLogonForReport(myConnectionInfo, rptSP) SetDBLogonForSubreports(myConnectionInfo, rptSP) Me.CrystalReportViewer1.ReportSource = rptSP But when I go into each .RPT file, and open up the Database Expert section, there is obviously still servernames hardcoded in there, and the code listed above doesn't seem to be able to change the servernames that are hardcoded there. I say this because I have training and production environments. When the .RPT file is hardcoded with my production server, and I open it on my training server with the code above (and the web.config has the training server in the connection string), I get the ol: Object reference not set to an instance of an object. And then if I go into the .RPT file, and change over the datasource to the training server, and try to open it again, it works fine. Why doesn't the code above overwrite the .RPT files datasource? How can I avoid having to open up each .RPT and change the datasource when migrating reports from server to server? Is there a setting in the .RPT file I'm missing or something?

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• How to programmatically show & hide BalloonPopupExtender?

  - by Danferd

  I have a page that will be having few buttons that will redirect user to certain pages that required them to login before to proceed to the page. I would like to have something like, when user click on the button that required login and if user is not logged in prior to the click, a tooltip will show up beside the 'User ID' textbox to inform user to login in order to proceed. So, I implemented the jQuery Tooltipster in the page to show the tooltip message. I'm having problem on IE8 in Windows XP where the first click on the button, the tooltip would show up, but the second click it wouldn't then the third click, it shows up again and then the fourth click, it wouldn't! But for IE8 in Windows 7, IE9 & IE10, they have no such problem. Any idea how to fix this? The 'imgBtnKISS' & 'lnkBtnKISS' buttons are located in a content page but the tooltip and the 'User ID' textbox are in a master page. Below is the code that how I call the tooltip: function loginAlertMsg() { $('.tooltip').tooltipster({ trigger: 'custom', position: 'left', onlyOne: false, content: 'Login required! Please login to proceed.' }); $('#ctl00_txtID').tooltipster('show'); $('#ctl00_txtID').focus(); } Private Sub KISS_Click() Handles imgBtnKISS.Click, lnkBtnKISS.Click If Not bIsRefresh Then '==Detect User Login Status== Session(sesClickFromIcon) = toKISS If Session(USR.sesLogin) Is Nothing Then '//User NOT LOGIN. If (Not Page.ClientScript.IsStartupScriptRegistered("loginAlertMsg")) Then Page.ClientScript.RegisterStartupScript(Me.GetType(), "loginAlertMsg", "loginAlertMsg();", True) End If Exit Sub Else If Trim(CType(Session.Item(USR.sesLogin), Boolean)) <> True Then '//User NOT LOGIN. If (Not Page.ClientScript.IsStartupScriptRegistered("loginAlertMsg")) Then Page.ClientScript.RegisterStartupScript(Me.GetType(), "loginAlertMsg", "loginAlertMsg();", True) End If Exit Sub End If End If '**Detect User Login Status** Response.Redirect("~/page2.aspx", False) Session.Remove(sesClickFromIcon) End If End Sub

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• jQuery UI Dialog Error: b("<div></div>").addClass("ui-widget-overlay") is undefined

  - by Mithun

  I have the below code for my a Dialog box for a which contains a dropdown field KPMS.ServiceRequests.Status = { showOptions : function(requestId, userId, requestType) { var url = BASE_URL+'service_requests/status_options/'; $("#dialog-modal").dialog("destroy"); $("#dialog-modal").load(url, {"request_id": requestId, "user_id": userId, "request_type":requestType}).dialog( { modal: true, title: "Update Status", buttons: { Cancel : function() { $(this).dialog('close'); }, Update: function() { alert(1); } } } ); } } There is an anchor tag to populate the Dialog <a onclick="KPMS.ServiceRequests.Status.showOptions(9, 11, 'SR'); return false;" title="Update status" href="http://localhost/kitco/pms/#9"><img alt="[E]" title="Update" src="http://localhost/kitco/pms/images/edit.png"></a> My problem is When i click the link for the first time the dialog box is populating properly. Then I closed the dialog using the cancel button, then again clicked the link to open the dialog and closed it. For the third click on the link I'm getting the below Javascript error, and Dialog box is not opened Error: b("<div></div>").addClass("ui-widget-overlay") is undefined Source File: http://localhost/kitco/pms/js/jquery-ui-1.8rc3.custom.min.js Line: 199 How to solve this problem?

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• <rich:datatable> and <rich:datascroller> problem

  - by Bariscan

  Hi all, I am developing a Seam-Jsfv1.2-EJB3 web app. I have a datatable and checkboxes in each row. Moreover, I have a datascroller at the bottom of my table as well. My problem is when I click the next page number from the scroller, the selected checkboxes at the first page of the datatable is gone. I mean, even if they were selected, clicking the next page make them deselected. I see it by going back to the first page again by clicking the scroller. Do you have any idea about that problem? In order to clearify my case, I attached my code below: <rich:dataTable id="apiV2ProductList" rows="10" var="_apiV2Product" value="#{apiV2ProductList.resultList}" rendered="#{not empty apiV2ProductList.resultList}" reRender="ds"> <rich:column> <f:facet name="header"> <h:selectBooleanCheckbox id="selectionCheckAll" onclick="selectAll()" /> </f:facet> <h:selectBooleanCheckbox id="selectionCheck" onclick="increase(this)" value="#{_apiV2Product.selectValue}" > </h:selectBooleanCheckbox> </rich:column> ... <f:facet name="footer"> <rich:datascroller id="ds" renderIfSinglePage="false"> </rich:datascroller> </f:facet> Many thanks in advance. Baris

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• VSTO Development - Key Improvements In VS2010 / .NET 4.0?

  - by dferraro

  Hi all, I am trying to make a case to my bosses on why we should use VS2010 for an upcoming Excel Workbook VSTO application. I haven't used VSTO before but have used VBA. With 2010 just around the corner, I wanted to read about the improvements made to see if it was worth using 2010 to develop this application. So far I have read 2 major improvements are ease of deployments and also debugging / com interop improvements ... I was just wondering if there was anything else I wasn't aware of, or if anyone here is actually developing in VSTO and has used 2010 and both 2008 and could help make a case / arm me with information. The main concern of my bosses is deploying .NET 4.0 runtime on the Citrix servers here... however it seems that with 3.5, we would have to deploy the VSTO runtime and PIA's, etc... So really wouldn't deployments be easier with 2010 because installing just the 4.0 runtime is better than having to install the 'VSTO Runtime' as well as PIA's, etc? Or is there something I'm missing here? Anyone here deploy VSTO app in an enterprise and can speak to this? Also - I'm trying to also fight to use C# over VB.NET for this app. Does anyone know any key reasons why (except for my bias on preference of syntax) it would be better to use C# over VB for this? Any key features lacking in VB VSTO development? I've read about the VSTO Power Tools, and one of them describes LINQ enalbment of the Excel Object Model classes - however it says 'a set of C# classes'... Does anyone know if they literally mean C# - so this would not work with VB.NET, or do they just mean the code is written in C#? Anyone ever used these power tools with VB? I am going to download & play with it now, but any help again is greatly appreciated Thanks very much for any information.

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• How do I use Fluent NHibernate with .NET 4.0?

  - by Tomas Lycken

  I want to learn to use Fluent NHibernate, and I'm working in VS2010 Beta2, compiling against .NET 4, but I'm experiencing some problems. Summary My main problem (at the moment) is that the namespace FluentNHibernate isn't available even though I've imported all the .dll assemblies mentioned in this guide. This is what I've done: 1. I downloaded the Fluent NHibernate source from here, extracted the .zip and opened the solution in VS. A dialog asked me if I wanted to convert the solution to a VS2010 solution, so I did. 2. I then went into each project's properties and configured all of them to compile for .NET 4, and built the entire solution. 3. I copied all the .dll files from /bin/Debug/ in the FluentNHibernate to a new folder on my local hard drive. 4. In my example project, I referenced FluentNHibernate.dll and NHibernate.dll from the new folder. This is my problem: If I right-click on FluentNHibernate in the References list and select "View in Object Browser...", it shows up correctly. Now, when I try to create a mapping class, I can't import FluentNHibernate. This code: using FluentNHibernate.Mapping; namespace FluentNHExample.Mappings { } generates an error on the using statement, saying The type or namespace 'FluentNHibernate' could not be found (are you missing a using directive or an assembly reference?). The FluentNHibernate assembly is still in the list of References of my project, but if I try to browse the assembly in Object Browser again, it can't be found. What is causing this?

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• WPF touch and slide/drag animation

  - by George

  I'm trying to create a pretty simple WPF interface, and from what I know this should be mostly possible using pure XAML. What I know I have a pretty basic understanding of WPF so far, however I have a decent grasp on XAML. I know or can work out how to put content in these panels. This isn't the topic of this question. What I don't know I don't know how to animate this interface. I'm not very proficient at binding, however again, that's not the topic of this question. The topic of this question is what would be the best way to animate panels 1-4 (images below) so that they may be dragged (via touch) into view. The number of panels here may be static for the purpose of this question. The panels (1-4) can be stack panels, grids or whatever; their content isnt important. What is important is the container that would contain all 4 panels. The complication in this animation is the other two containers here (Item One/TODO), as they're in the way of a smooth animation. If it makes this question simpler, the touch features can be ignored for now, and a simple button push can slide the containers across. One Two

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