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  • How do I 'donut cache' in ASP.NET MVC for something more than a date

    - by Simon_Weaver
    All the examples for donut caching I've seen are just like this : <%= Html.Substitute( c => DateTime.Now.ToString() )%> Thats fine if I just want the date, but what other options are there? I know there is a delegate 'MvcSubstitutionCallback' which has the following signature : public delegate string MvcSubstitutionCallback(HttpContextBase httpContext); but RenderAction and RenderPartial returns void so i cant just return them from the delegate method. How can I effectively use this callback for more complex situations. I've looked at both of Phil Haacked's articles here and here, but neither seems to do exactly what I want.

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  • C# ASP.Net The type or namespace name 'iAnywhere' could not be found

    - by Louis Russell
    Morning all, I know that this sounds like a simple referencing problem from the title this is becoming a nightmare! I have a code class that uses the "iAnywhere.Data.AsaClient.dll". This Dll is referenced in the project and in the code class I have added this dll in the Using section. Everything seems fine at build with no errors at all but when I go to run the application it comes up with the following Compilation Error: Compiler Error Message: CS0246: The type or namespace name 'iAnywhere' could not be found (are you missing a using directive or an assembly reference?) The line that the Error points to this line in the class: using iAnywhere.Data.AsaClient; I have set the dll to copy local and it makes no difference, the Dll is installed on my PC so is in the GAC, I use this Dll with many other C# projects and have no problems. I have scoured Google looking for an answer and haven't found anything that points me to an answer to my problem. Any help would be brilliant!

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  • Copy EXIF Metadata from TIF to JPEG in C# / VB.NET

    - by George
    Hello! I would really appreciate if you could shed light on this problem. I have 2 images, one was created from TIF file with metadata, the other is an in-memory image that will be saved as jpeg. Then I use this routine to transfer exif metadata from first image to the second one (that is from the one created from tif file to the in-memory image): For Each _p In image1.PropertyItems image2.SetPropertyItem(_p) Next And this works perfectly fine. All exif items are successfully copied. I confirmed this by using watches in debug mode. The problem comes when you save image2 as jpeg using this: Dim eps As EncoderParameters = New EncoderParameters(1) eps.Param(0) = New EncoderParameter(Encoder.Quality, 85) Dim ici As ImageCodecInfo = GetEncoderInfo("image/jpeg") image2.Save("C:\1.jpg", ici, eps) Only very few EXIF properties are saved with image2 jpeg file however, namely only camera model and camera maker. However If I save image2 as TIF, all properties from the original tif will be there. Can anyone explain why is that? Thanks.

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  • JQuery in ASP.NET - Form Validation Issue

    - by user1026288
    It's not working at all and I'm not sure why. Ideally I'd like to have all the errors pop up in a modal dialog box. But right now I can't even get it to work normally. Any help would be appreciated. Thanks. HTML <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js" type="text/javascript"></script> <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js" type="text/javascript"></script> <script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.min.js" type="text/javascript"></script> <script src="../Scripts/Frame.js" type="text/javascript"></script> </head> <body runat="server" id="bodyLogin"> <div runat="server" id="frameLogin"> <form runat="server" id="formLogin"> <asp:CheckBox runat="server" ID="checkboxRemember" /> <div><span id="un">Username</span><div id="forgotUsername">?</div><br /> <asp:TextBox runat="server" ID="textUsername" Name="username" /></div> <div><span id="pw">Password</span><div id="forgotPassword">?</div><br /> <asp:TextBox runat="server" ID="textPassword" Name="password" TextMode="Password" /></div> <asp:Button runat="server" ID="buttonLogin" Text="L" /> <asp:Button runat="server" ID="buttonRegister" Text="R" /> </form> </div> <div id="dialog" title="Errors" style="display:none;"><ul></ul></div> </body> </html> JQuery <script type="text/javascript"> $(function () { $("#formLogin").validate({ rules: { username: { required:true, minlength:3, maxlength:15 }, password: { required:true, minlength:6, maxlength:15 }, }, messages: { username: { required: "Username is required.", minlength: "Username minimum length is 3 characters.", maxlength: "Username maxumum length is 15 characters." }, password: { required: "Password is required.", minlength: "Password minumum length is 6 characters.", maxlength: "Password maximum length is 15 characters." } } }); }); </script>

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  • NHibernate session management in ASP.NET MVC

    - by Kevin Pang
    I am currently playing around with the HybridSessionBuilder class found on Jeffrey Palermo's blog post: http://jeffreypalermo.com/blog/use-this-nhibernate-wrapper-to-keep-your-repository-classes-simple/ Using this class, my repository looks like this: public class UserRepository : IUserRepository { private readonly ISessionBuilder _sessionBuilder; public UserRepository(ISessionBuilder sessionBuilder) { _sessionBuilder = sessionBuilder; } public User GetByID(string userID) { using (ISession session = _sessionBuilder.GetSession()) { return session.Get<User>(userID); } } } Is this the best way to go about managing the NHibernate session / factory? I've heard things about Unit of Work and creating a session per web request and flushing it at the end. From what I can tell, my current implementation isn't doing any of this. It is basically relying on the Repository to grab the session from the session factory and use it to run the queries. Are there any pitfalls to doing database access this way?

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  • ASP.NET MVC: Route to URL

    - by JamesBrownIsDead
    What's the easiest way to get the URL (relative or absolute) to a Route in MVC? I saw this code here on SO but it seems a little verbose and doesn't enumerate the RouteTable. Example: List<string> urlList = new List<string>(); urlList.Add(GetUrl(new { controller = "Help", action = "Edit" })); urlList.Add(GetUrl(new { controller = "Help", action = "Create" })); urlList.Add(GetUrl(new { controller = "About", action = "Company" })); urlList.Add(GetUrl(new { controller = "About", action = "Management" })); With: protected string GetUrl(object routeValues) { RouteValueDictionary values = new RouteValueDictionary(routeValues); RequestContext context = new RequestContext(HttpContext, RouteData); string url = RouteTable.Routes.GetVirtualPath(context, values).VirtualPath; return new Uri(Request.Url, url).AbsoluteUri; } What's a better way to examine the RouteTable and get a URL for a given controller and action?

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  • ASP.Net ListBox selections not working in Panel?

    - by larryq
    Hi everyone, I'm having trouble processing a listbox after selecting some items from it. In my markup, the listbox is contained within an asp:panel and is populated during page load in the codebehind. That part works fine. It's when I select various items and submit that I have trouble. My handler loops through the listbox items but doesn't see any as being selected. I'm not sure why. Here's the markup: <asp:Panel ID="panEdit" runat="server" Height="180px" Width="400px" CssClass="ModalWindow"> <table width="100%"> <asp:label runat = "server">Choose your items</asp:label> <tr> <td> <asp:ListBox ID="lstFundList" runat="server" SelectionMode="Multiple" OnLoad="lstFundList_LoadData"> </asp:ListBox> </td> </tr> </table> <asp:Button ID="btnUpdate" runat="server" Text="Update" OnClick="btnUpdate_OnClick"/> <asp:Button ID="btnCancel" runat="server" Text="Cancel" OnClientClick="$find('ModalPopupExtender1').hide(); return false;" /> </asp:Panel> In my btnUpdate_OnClick handler I can't see any listbox items that are marked as selected. I assume something strange is going on with respect to postback and the panel?

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  • ASP.NET store Image in SQL and retrieve for Asp:Image

    - by sweetcoder
    I am looking to fileupload a picture jpeg,gif,etc into an SQL database on an updateprofilepicture page. Then on the profile page, I want to retrieve the image from an sql database and have it show up in an Asp:Image control. I have much code trying to do this and it doesn't work. The table contains a column of type Image.

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  • crazy asp.net error

    - by dominic
    Hi I am having a problem debugging an issue on a website. Everything works locally, the local and server databases are the same The strange thing about the error is that it points to my local dev machine in the error stack. Is that crazy or what, The files are published and being hosted on a server machine and the error is pointing to a line of code on my local dev box. I feel like I am losing the plot. Can someone pls help be clear the air here because this is very weird Error in '/' Application. Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index] System.Collections.ArrayList.get_Item(Int32 index) +10066148 System.Collections.Specialized.NameObjectCollectionBase.BaseGet(Int32 index) +17 System.Web.HttpFileCollection.get_Item(Int32 index) +9 System.Web.HttpFileCollectionWrapper.get_Item(Int32 index) +18 PitchPortal.Web.Binders.DocumentModelBinder.ValidateAndAssignPostedFile(ControllerContext controllerContext, ModelBindingContext bindingContext, Document doc) in C:\Users\Bich Vu\Documents\Visual Studio 2008\Projects\PitchPortal\PitchPortal.Web\Binders\DocumentModelBinder.cs:73 PitchPortal.Web.Binders.DocumentModelBinder.BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) in C:\Users\Bich Vu\Documents\Visual Studio 2008\Projects\PitchPortal\PitchPortal.Web\Binders\DocumentModelBinder.cs:45 System.Web.Mvc.ControllerActionInvoker.GetParameterValue(ControllerContext controllerContext, ParameterDescriptor parameterDescriptor) +404 System.Web.Mvc.ControllerActionInvoker.GetParameterValues(ControllerContext controllerContext, ActionDescriptor actionDescriptor) +140 System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +658084 System.Web.Mvc.Controller.ExecuteCore() +125 System.Web.Mvc.<c_DisplayClass8.b_4() +48 System.Web.Mvc.Async.<c_DisplayClass1.b_0() +21 System.Web.Mvc.Async.<c__DisplayClass81.<BeginSynchronous>b__7(IAsyncResult _) +15 System.Web.Mvc.Async.WrappedAsyncResult1.End() +85 System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +51 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +454 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +263

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  • ADO.NET parameters from TextBox

    - by Geo Ego
    I'm trying to call a parameterized stored procedure from SQL Server 2005 in my C# Winforms app. I add the parameters from TextBoxeslike so (there are 88 of them): cmd.Parameters.Add("@CustomerName", SqlDbType.VarChar, 100).Value = CustomerName.Text; I get the following exception: "System.InvalidCastException: Failed to convert parameter value from a TextBox to a String. ---> System.InvalidCastException: Object must implement IConvertible." The line throwing the error is when I call the query: cmd.ExecuteNonQuery(); I also tried using the .ToString() method on the TextBoxes, which seemed pointless anyway, and threw the same error. Am I passing the parameters incorrectly?

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  • Subsonic 3.0 - .Net - Error : Can not ceate an instance of an interface

    - by George
    Hi, I am new to Subsonic, I have configured Subsonic3.0 T4 Template and created classes for my project. I have taken GridView and Object Datasource. Object datasource will connect to the one of the classes which is created from subsonic. I have set object datasource for g\fetch, Insert, Update and delete methods. Then i set the datasource of grid witht he object datasource. Grid view successfully showing me all the records. But at the time of Update, Insert or delete it throws an exception that "Can not ceate an instance of an interface". And also i am not able to dwbug in the code of the subsonic. May be because of partial classes. Can anyone please let me know what is happening at the backgrund? Or may be one can give me sample example which contains subsonic 3.0 and grid add, edit and delete so it will be really helpful for me.... Please... :) Thanks, George

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  • Setting multiple datasource for a report in Asp.net

    - by Nandini
    Hi all, I have a report whose data is derived from two stored procedures.so i need to set these two datasources for generating the report.But the reports which have only one SP, ie.only one datasource works properly. For setting the datasource, i wrote code like this: dim reportdocument as ReportDocument Dim reportPath As String = Server.MapPath("CrystalRpts\Report.rpt") ReportDocument.Load(reportPath) 'Function for Setting the Connection SetDBLogonForReport(MyConnectionInfo, ReportDocument) dim dt1 as datatable=Datasource1 dim dt2 as datatable=Datasource2 dt1.merge(dt2) reportdocument.setDataSource(dt1) CrystalReportViewer.ReportSource=reportdocument But, the report is not generating.it shows the following error The Report requires additional information Servername:- Server Database:- Database UserID:- Password:- But the reports which have only one SP, ie.only one datasource works properly.What colud be reason for this error?

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  • ASP .net Dropdown list not saving the selected value to database

    - by user326010
    Hi In the following code i want to save the value selected by user from drop downlist into database. but whatever value is selected by user, first value of dropdown lsit is saved to database View <% =Html.DropDownList("lstUsertype", (SelectList)ViewData["UserTypeID"])%> Controller public ActionResult CreateUser() { UmUser _UmUser = new UmUser(); UMRepository _UMRepository = new UMRepository(); EvoLetDataContext db = new EvoLetDataContext(); ViewData["UserTypeID"] = new SelectList(_UMRepository.FillUserTypes(), "UserTypeID", "UserType",2); return View(_UmUser); } [AcceptVerbs(HttpVerbs.Post)] public ActionResult CreateUser(UmUser _umUser) { //try //{ if (ModelState.IsValid) { //try //{ UserRepository _UserRepository = new UserRepository(); _UserRepository.Add(_umUser); _UserRepository.Save(); return RedirectToAction("Details", new { id = _umUser.UserID }); /*} catch { ModelState.AddModelErrors(_umUser.GetRuleViolations()); }*/ } return View(); //} /*catch { return View(); }*/ }

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  • .NET Remoting Connecting to Wrong Host

    - by Dark Falcon
    I have an application I wrote which has been running well for 4 years. Yesterday they moved all their servers around and installed about 60 pending Windows updates, and now it is broken. The application makes use of remoting to update some information on another server (10.0.5.230), but when I try to create my remote object, I get the following exception: Note that it is trying to connect to 127.0.0.1, not the proper server. The server (10.0.5.230) is listening on port 9091 as it should. This same error is happening on all three terminal servers where this application is installed. Here is the code which registers the remoted object: public static void RegisterClient() { string lServer; RegistryKey lKey = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Shoreline Teleworks\\ShoreWare Client"); if (lKey == null) throw new InvalidOperationException("Could not find Shoretel Call Manager"); object lVal = lKey.GetValue("Server"); if (lVal == null) throw new InvalidOperationException("Shoretel Call Manager did not specify a server name"); lServer = lVal.ToString(); IDictionary props = new Hashtable(); props["port"] = 0; string s = System.Guid.NewGuid().ToString(); props["name"] = s; ChannelServices.RegisterChannel(new TcpClientChannel(props, null), false); RemotingConfiguration.RegisterActivatedClientType(typeof(UpdateClient), "tcp://" + lServer + ":" + S_REMOTING_PORT + "/"); RemotingConfiguration.RegisterActivatedClientType(typeof(Playback), "tcp://" + lServer + ":" + S_REMOTING_PORT + "/"); } Here is the code which calls the remoted object: UpdateClient lUpdater = new UpdateClient(Settings.CurrentSettings.Extension.ToString()); lUpdater.SetAgentState(false); I have verified that the following URI is passed to RegisterActivatedClientType: "tcp://10.0.5.230:9091/" Why does this application try to connect to the wrong server?

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  • Perform a function at a specific time in VB.NET

    - by Shardul
    Hi, I am writing a small app to automatically connect my PC to the internet at a certain time.. I am using rasdial.exe for it... Private Sub SetIt_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim windir As String = Environment.GetEnvironmentVariable("WINDIR") Shell(windir & "\system32\rasdial.exe", AppWinStyle.NormalNoFocus) End Sub My question is how to make the shell function run at a specified time or after a certain interval?? Regards, Shardul

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  • Matching .NET References to Namespaces

    - by maxp
    This seems confusing to me - im creating a class library, and adding all the necessary references for the source files contained in it. Now, off the bat, there were over 300 compiler errors complaining about missing namespaces. The library will now compile after i just added all of the System.* references, however this is obviously not the best way. I.e. if a classes needs using System.Web.Script;, there is no System.Web.Script reference, how would i find out which one of these references contained it? System.Web didnt.

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  • ASP.NET MVC pass information from controller to view WITHOUT ViewData, ViewModel, or Session

    - by josh
    I have a unique scenario where I want a base controller to grab some data and store it in a list. The list should be accessible from my views just as ViewData is. I will be using this list on every page and would like a cleaner solution than just shoving it in the ViewDataDictionary. After attempting to come up with a solution, I thought I would create a custom ViewPage with a property to hold my list. My custom ViewPage would inherit from System.Web.MVC.ViewPage. However, I do not know where MVC passes the viewdata from the controller off to the view. More importantly, how do I get it to pass my list down to the view? Thanks for the help.

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  • asp.net mvc rhino mocks mocking httprequest values

    - by Matthew
    Hi Is there a way to mock request params, what is the best approach when testing to create fake request values in order to run a test would some thing like this work? _context = MockRepository.GenerateStub<HttpContext>(); request = MockRepository.GenerateStub<HttpRequest>(); var collection = new NameValueCollection(); collection.Add("", ""); SetupResult.For(request.Params).Return(collection); SetupResult.For(_context.Request).Return(request);

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  • XHTML Validation issue trying to render '&' character inside an ASP.Net control

    - by Micah
    Ok, the description is kind of funky, but here's my problem: <asp:ListItem Value="0">All Leads <i>(include Archive & Trash)</i></asp:ListItem> <asp:ListItem Value="0">All Leads <i>(include Archive &amp; Trash)</i></asp:ListItem> <asp:ListItem Value="0" Text="All Leads <i>(include Archive & Trash)</i>" /> <asp:ListItem Value="0" Text="All Leads <i>(include Archive &amp; Trash)</i>" /> All three versions render the following html All Leads <i>(include Archive & Trash)</i> This of course fails XHTML validation. It needs to render the html like this: All Leads <i>(include Archive &amp; Trash)</i> How can I fix this? Thanks.

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