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• How to dynamically add controls in asp.net Dynamic Data

  - by loviji

  Hello, i'm trying to work with asp.NET Dynamic Data. So, I see asp.NET Dynamic Data not well learned by people as other technologies. now, to my question. Lets us work with Details.aspx page that located on ~\DynamicData\PageTemplates I need to add <asp:DynamicControl runat="server" to page into Form1.detailsTable. i've tried like this: protected DynamicControl myC=new DynamicControl(); protected void Page_Load(object sender, EventArgs e) { foreach(var c in table.Columns) { myC.DataField=c.DisplayName; FormView1.Controls.Add(myC); } } but I can not see the desired result. where is the problem. thanks

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• Good ways to test a unit that communicates via HTTP

  - by Evan DiBiase

  Often, I find myself wanting to write a unit test for a portion of code that accesses HTTP resources as part of its normal function. Have you found any good ways to write these kinds of tests?

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• Syntax highlighting with Chili

  - by Nimbuz

  I want to use jquery Chili plugin for syntax highlighting a piece of code thats generated on the fly, but its not working for the same, because the code is inserted into the #output div on page load. When I tried chili with static examples, it worked but not on the dynamically generated code. Is there any workaround? Thanks in advance for your help!

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• validating creation by post_id and ip_address - Ruby on Rails

  - by bgadoci

  I have created a blog application using Ruby on Rails which includes the ability to vote on posts. A user can click vote and a record is created in the vote table. I am now trying to limit that same person from voting for a post multiple times. class Post has_many :votes end class Vote belongs_to :post end When a vote record is created I am using the VotesController to pass the :post_id and using a hidden field in the view to pass the ip_address (both to the vote table). I am wondering if there is a way to add a validation to the Vote Model that searches to see if a post_id has an ip_address that matches the person requesting to vote. I have tried simply using the validates_uniqueness_of :ip_address but that restricts the user from voting on any post. I just want to restrict the user from voting on a particular post that they have already voted on. Is there a way to do this through validation?

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• What open source database platform is most easily transferred from my personal machine into a window

  - by Tom

  I would like eventual interaction with MS Dynamics SL and/or MindTouch Core (running on WMware) for eventual intranet and/or internet display. I guess I am asking for front and back end recommendations for a database I am constructing, but since this is my first major project I would greatly appreciate any help and advice. I would also love an opportunity to learn a new language so the code base could be in any language. I do have a few more related questions for discussion; What is the viability of using Google hosting to provide the service to the public for free? Should I implement plone or another CMS if I have a large amount of output? Is there a structuring questionnaire or standards publication I could reference? Does UML diagramming provide additional options for portability? Thank you.

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• Any tool available to detect what's not HTTPS on an encrypted page?

  - by Keltex

  More often than I like when designers edit some of our sites' pages, they include javascript or an external image our SSL pages that are not encrypted. For example if we have a page like this: https://www.example.com/cart/EnterCreditCard And the designer includes some non-encrypted image like this: <img src='http://www.cardprocessor.com/logo.gif' /> Of course, this creates errors in all browsers: IE: Do you want to view only the webpage content that was delivered securely? Firefox: Connection Partially Encrypted Chrome: (I forget this message) What I'm looking for is a tool or plugin that lets me easily see what objects are not encrypted. A firefox extension or something along those lines would be great.

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• Is It Possible To Use Javascript/CSS To Swap Style Sheets When A Mobile Device Rotates?

  - by Sean M

  I am working on a site that must be designed with mobile accessibility in mind. As part of our brainstorming, we wondered whether it's possible to detect, for a mobile browser (i.e. Mobile Safari or the Android browser), when the viewing device has changed orientation, and to use that as a trigger to change page content? As the title of this question implies, our best-case scenario is the ability to detect the orientation change and use it to alter the CSS on the fly so as to present a slightly different page for landscape versus portrait. Of course we can just design for a page that looks good one way and make it obvious that it's supposed to be viewed that way, but the cool-stuff factor of a page that looks good either way is pretty appealing. Is this idea implementable? Practical?

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• CrossPage PostBack in series of web pages

  - by Vishnu Reddy

  I had a requirement to pass data between pages in my application. I have a Page A where user will input some data and on submit User will be redirected to Page B where again user will enter some more data and on submitting user will be show a confirmation in Page C after doing some calculations and data saving. Following is the idea I was trying to use: PageA.aspx: <form id="frmPageA" runat="server"> <p>Name: <asp:TextBox ID="txtName" runat="server"></asp:TextBox></p> <p>Age: <asp:TextBox ID="txtAge" runat="server"></asp:TextBox></p> <p><asp:Button ID="btnPostToPageB" runat="server" Text="Post To PageB" PostBackUrl="~/PageB.aspx" /></p> </form> In Page A Codebehind file I am creating following public properties of the inputs to access in Page B: public string Name { get { return txtName.Text.ToString(); } } public int Age { get { return Convert.ToInt32(txtAge.Text); } } In PageB.aspx: using previouspage directive to access page A public properties <%@ PreviousPageType VirtualPath="~/PageA.aspx" % <form id="frmPageB" runat="server"> <asp:HiddenField ID="hfName" runat="server" /> <asp:HiddenField ID="hfAge" runat="server" /> <p><asp:RadioButtonList ID="rblGender" runat="server" TextAlign="Right" RepeatDirection="Horizontal"> <asp:ListItem Value="Female">Female</asp:ListItem> <asp:ListItem Value="Male">Male</asp:ListItem> </asp:RadioButtonList></p> <p><asp:Button ID="btnPostToPageC" runat="server" Text="Post To PageC" PostBackUrl="~/PageC.aspx" /></p> </form> In Page B Codebehind file I am creating following public properties for the inputs to access in Page C: public RadioButtonList Gender { get { return rblGender; } } public string Name { get { return _name; } } public int Age { get { return _age; } } //checking if data is posted from Page A otherwise redirecting User to Page A protected void Page_Load(object sender, EventArgs e) { if (PreviousPage != null && PreviousPage.IsCrossPagePostBack && PreviousPage.IsValid) { hfName.Value = PreviousPage.Name; hfAge.Value = PreviousPage.Age.ToString(); } else Response.Redirect("PageA.aspx"); }` in PageC.aspx: using previouspage directive to access page A public properties <%@ PreviousPageType VirtualPath="~/PageB.aspx" % <form id="frmPageC" runat="server"> <p>Name: <asp:Label ID="lblName" runat="server"></asp:Label></p> <p>Age: <asp:Label ID="lblAge" runat="server"></asp:Label></p> <p>Gender: <asp:Label ID="lblGender" runat="server"></asp:Label></p> <p><asp:Button ID="btnBack" runat="server" Text="Back" PostBackUrl="~/PageA.aspx" /></p> </form> Page C code behind file: if (PreviousPage != null && PreviousPage.IsCrossPagePostBack && PreviousPage.IsValid) { lblName.Text = PreviousPage.Name.ToString(); lblAge.Text = PreviousPage.Age.ToString(); lblGender.Text = PreviousPage.Gender.SelectedValue.ToString(); } else Response.Redirect("PageA.aspx");

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• Jquery broken by GetResponse (email marketing) web form script

  - by Jacob

  I'm working on a site that relies on quite a bit of javascript. The problem is, I'm not a javascript guru in the least. Yes, bit off more than I can chew, here. I'm using jquery for a spy effect, and use GetResponse for email signups. If I implement my GetResponse script, it breaks the area later in the page which depends on the jquery script. Pull the GetResponse script and it works just fine. Problem is, I need them both. ;) The trick, I suppose, is that the GetResponse script is actually another Jquery script, so it's getting called twice... Any help? The site is http://djubi.com/testserver Check out (urlabove)/nogetresponsescript.php to see it work without the GetResponse script. You should be able to see all the source just fine. Thanks everyone. jf

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• Why are there so many data centres in Texas?

  - by jklp

  I've been searching for online hosting recently and have noticed a high concentration of hosting providers in Texas. Just wondering why this is? It couldn't be possibly be because of temperature (I don't think Texas is a particularly cool place to be) or maybe power is cheaper in Texas vs the rest of the States? Or maybe it's just there are laws in place which give hosting providers tax breaks? Would be very interested to find out.

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• How to go about reading a web page lazily in Clojure

  - by Rayne

  I and a friend recently implemented link grabbing in my Clojure IRC bot. When it sees a link, it slurp*s the page and grabs the title from the page. The problem is that it has to slurp* the ENTIRE page just to grab the link. How does one go about reading a page lazily until the first ?

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• Convert System.Web.UI.WebControls.Unit to int in c#

  - by salamonti

  How can I convert from an ASP.NET Unit structure to int in c#? Or reverse?

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• How can I force asp.net webapi to always decode POST data as JSON

  - by Nathan Reed

  I getting some json data posted to my asp.net webapi, but the post parameter is always coming up null - the data is not being serialized correctly. The method looks something like this: public HttpResponseMessage Post(string id, RegistrationData registerData) It seems the problem is that the client (which I have no control over) is always sending the content-type as x-www-form-urlencoded, even though the content is actually json. This causes mvc to try to deserialize as form data, which fails. Is there anyway to get webapi to always deserialize as json, and to ignore the content-type header?

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• Java basic authorization with URLConnection

  - by zigomir

  Hello! I'm opening a connection to WebService with an URLConnection class. I also set request property for basic authorization like this: c.setRequestProperty("Authorization", "Basic " + usernameAndPasswordEncoded); Where c is an object of type URLConnection. So this is client side of WebService call. Now on server side I need to get username from session: User user = (User) request.getSession().getAttribute("user"); But this won't get an username. Also if I look through debug mode, I see an anonymous userName in HttpSession object. What to do to solve this problem, so that username is sent through client to WebService server for authorization? Thanks everyone!

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• Automatically select option from select menu with link

  - by Ben

  Hello there, I am trying to use php (and if not php, javascript) to link to a page and include a "?type=foo" or "#foo" at the end of the link so that when the linked page loads it will automatically select a specific option, depending on the end of the link, from a dropdown menu in a form. I have tried to search for this but do not know what this action is actually called, but I've seen it done before. Does anyone know how to achieve this? Thanks very much.

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• Filtering at server or at client?

  - by ablmf

  I am thinking about how to build advertise site which works like twitter. That means, most user don't not visit the site by browser, they should run a dedicated client application on their PC or smart phone. Then they set some filters about what kind of advertise they like. And when new post that fulfill their needs appear, the client will make a notification. To make that client as real time as possible, it has to poll the server within a short time interval. The problem is, should I do the filtering at the server side when client polls, or should I simply transfer all new posts to client and let client do the filtering? Making server side filtering might cause too much CPU cycles of server, but transferring every post blindly to client might waste a lot of bandwidth. Just a brain game. :)

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• Web Automation Tool

  - by Aaron

  I've realized I need a full-fledged browser automation tool for testing user interactions with our JavaScript widget library. I was using qunit, starting with unit testing and then I unwisely started incorporating more and more functional tests. That was a bad idea: trying to simulate a lot of user actions with JavaScript. The timing issues have gotten out of control and have made the suite too brittle. Now I spend more time fixing the tests, then I do developing. Is it possible to find a browser automation tool that works in: Windows XP: IE6,7,8, FF3 OSX: Safari, FF3 ? I've looked into SeleniumIDE and RC, but there seems to be some IE8 problems. I've also seen some things about Google's WebDriver, which confusingly seems to work with Selenium. Our organziation has licenses for IBM's Rational Functional Tester, but I don' think that will work on the MAC. The idea is to try to run tests on all the browsers our organization supports. Doable? Are my requirements unrealistic? Any recommendations as far as software to try? Thanks!

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• Integrate website backend with forum software?

  - by Msencenb

  I am designing a php/mysql website that will have a members are and a separate "forum" section. Should I just use the forum software as my "login/registration"? If this is the case should I go with VBulletin, Invision, phpBB3 or something different? Or should I roll my own single sign on hack? Or something completely different?

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• Ruler to measure in browser (firefox)

  - by danke

  I'm looking for a good ruler to use to measure distances in a browser. I use Firefox. Any good suggestions that are currently being used by other developers. I have firebug, but I don't think it has a ruler. Does it? I would think a ruler would have made it to firebug, but there doesn't seem to be one, or I'm not looking in the right location. Thanks

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• Simplest possible table entry editing / addition / deletion web toolkit (for use with php)

  - by Dave

  Hi, i'm building a website in php and i have tables presented that i need to allow the user to: 1. add new entry (only one at a time, which should appear as a new modal overlay) 2. delete multiple selected entries from 3. edit an existing entry (only one at one time, in a view similar to 1.) 4. re-arrange entries up and down. One by one is fine. Multiple / Grouping rearrangements are not not needed what jquery / js / anything toolkit would be the SIMPLEST to work with? (of course, i should be able to work with it in php). I did try hacking away at: http://www.ericmmartin.com/projects/simplemodal/ but had a terrible time trying to get it to work on editing some existing data (had problem passing data to it).

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• asp.net MVC: binary deployment of mvc views

  - by user287107

  Hi, how can I deploy an mvc application, without publishing the aspx view files. Is there a way to publish the generated dll assemblies? In the project file is an option "MvcBuildViews", which builds these dll files. But they are build in a temp directory and not used in the publishment process. Is there a way to include these files? best regards

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• $_SERVER['HTTP_X_REQUESTED_WITH'] seemingly not available on PHP 5.1.6

  - by kenny99

  Hi, I've run into a problem on a server running php 5.1.6 - the code i use to detect ajax requests isn't working as the $_SERVER['HTTP_X_REQUESTED_WITH'] variable is missing from the $_SERVER array. The same code works fine on php 5.2 and in firebug i can see the headers include X-Requested-With XMLHttpRequest. Anyone know any more about this issue and how I can get round it? Thanks in advance.

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• Is there any way that an export-to-Excel function can be scalable?

  - by MusiGenesis

  Summary: ASP.Net website with a couple hundred users. Data is exported to Excel files which can be relatively large (~5 MB). In the pilot phase (just a few users), we are already seeing occasional errors on the server in the exporting method. Here's the stack trace: System.Web.HttpUnhandledException: Exception of type 'System.Web.HttpUnhandledException' was thrown. --- System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown. at System.IO.MemoryStream.set_Capacity(Int32 value) at System.IO.MemoryStream.EnsureCapacity(Int32 value) at System.IO.MemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Packaging.TrackingMemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Packaging.SparseMemoryStream.WriteAndCollapseBlocks(Byte[ ] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Packaging.SparseMemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Packaging.CompressEmulationStream.Write(Byte[] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Packaging.CompressStream.Write(Byte[] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Zip.ProgressiveCrcCalculatingStream.Write(Byte[] buffer, Int32 offset, Int32 count) at MS.Internal.IO.Zip.ZipIOModeEnforcingStream.Write(Byte[] buffer, Int32 offset, Int32 count) at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) at System.IO.StreamWriter.Write(String value) at System.Xml.XmlTextEncoder.Write(String text) at System.Xml.XmlTextWriter.WriteString(String text) at System.Xml.XmlText.WriteTo(XmlWriter w) at System.Xml.XmlAttribute.WriteContentTo(XmlWriter w) at System.Xml.XmlAttribute.WriteTo(XmlWriter w) at System.Xml.XmlElement.WriteTo(XmlWriter w) at System.Xml.XmlElement.WriteContentTo(XmlWriter w) at System.Xml.XmlElement.WriteTo(XmlWriter w) at System.Xml.XmlElement.WriteContentTo(XmlWriter w) at System.Xml.XmlElement.WriteTo(XmlWriter w) at System.Xml.XmlElement.WriteContentTo(XmlWriter w) at System.Xml.XmlElement.WriteTo(XmlWriter w) at System.Xml.XmlDocument.WriteContentTo(XmlWriter xw) at System.Xml.XmlDocument.WriteTo(XmlWriter w) at System.Xml.XmlDocument.Save(Stream outStream) at OfficeOpenXml.ExcelWorksheet.Save() in C:\temp\XXXXXXXXXX\ExcelPackage\ExcelWorksheet.cs:line 605 at OfficeOpenXml.ExcelWorkbook.Save() in C:\temp\XXXXXXXXXX\ExcelPackage\ExcelWorkbook.cs:line 439 at OfficeOpenXml.ExcelPackage.Save() in C:\temp\XXXXXXXXXX\ExcelPackage\ExcelPackage.cs:line 348 at Framework.Exporting.Business.ExcelExport.BuildReport(HttpContext context) at WebUserControl.BtnXLS_Click(Object sender, EventArgs e) in C:\TEMP\XXXXXXXXXX\XXXXXXXXXX\OneList\UserControls\TicketReportExporter. ascx.cs:line 108 at System.Web.UI.WebControls.Button.OnClick(EventArgs e) at System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) at System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.Rai sePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace --- at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.XXXXXXXXXXX_aspx.ProcessRequest(HttpContext context) in c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\XXXX\cdf32a52\d1a5eabd\App_Web_enxdwlks.1.cs:line 0 at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpAppli cation.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Even aside from this particular problem, in general exporting to Excel requires the instantiation of huge Excel objects on the server for each request, which I've always assumed to mean disqualifies Excel for "serious" work on a highly-loaded server. Is there any general way to export to Excel in a "light-weight" manner? Would simply streaming the data into a CSV file work for this?

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• Web Standards alternatives to Flex/Silverlight (I mean serious alternatives, not just JS framewoks)

  - by user252160

  Is there a set of open standards technologies that I can use to achieve the same way of development as in Flex and Sivlerlight? I am talking about componentization, separation of concerns, rich graphics, states and effects . Please point out some tutorials and other resources if possible. P.S. I KNOW that this is technically possible, so please do not respond by sending google search results or general JQuery tutorials. I've seen those already. I need to know how a Flex / Silverlight developer could design and implement an application in roughly the same way (imagine a rich HTML tag set, much like XAML/MXML, behind which stands JavaScript responsible for handling events and business logic. Think also about binding)

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• Shortest way of attaching multiple DOM elements to one event handler using Jquery?

  - by Camsoft

  I need to attach a single event handler to multiple DOM elements using jQuery. I'm currently achieving this using jQuery's each() method. See below: $([elm1, elm2, elm3]).each(function() { this.click(eventHandler); }); I was wondering if there is a way to do this without using the each method and closure. I thought I would be able to do something like: $(elm1, elm2, elm3).click(eventHandler); This kind of statement works using Prototype.js but not in jQuery.The reason I ask the question is because after using both Prototype.js and jQuery I have found that jQuery requires simpler statements to achieve the same tasks in almost every area so I assume there must be a better way of doing this?

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