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  • Entity Framework Vote of No Confidence - relevant in .NET 4?

    - by Asaf R
    Hi, I'm deciding on an ORM for a big project and was determined to go for ADO.NET Entity Framework, specifically its new version that ships with .NET 4. During my search for information on EF I stumbled upon ADO .NET Entity Framework Vote of No Confidence which I'm not sure how to take. The Vote of No Confidence was written sometime in 2008 to convince Microsoft to listen to specific criticism for EF v1. It's not clear whether the claims made in the Vote of No Confidence are still valid (in .NET 4) and if they're serious enough to use other solutions. NHibernate is a mature alternative, but I don't know what problems it brings. I'm generally more inclined towards a Ms solution, mainly because I can count on integration with VS and on their developer support. I would appreciate examples of how the problems mentioned in the Vote of No Confidence affect in real world projects. More importantly, are the claims made there still relevant in EF for .NET 4? Thanks, Asaf

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  • Why did the aspnet_client folder come back in ASP.NET 4?

    - by rbeier
    I recently upgraded my MVC 1 project (ASP.NET 3.5) to MVC 2 (ASP.NET 4). I noticed there is now a folder "aspnet_client\system_web\4_0_30319" under the site root. This folder is empty... I'm just wondering if anyone knows why it was created. I remember the aspnet_client folder from the days of .NET 1.1, but I thought it was obsoleted when .NET 2.0 came out. For example, see the answers in these two stackoverflow posts: What is the aspnet_client folder in my ASP.NET website? What is the aspnet_client folder for under the IIS structure? So I'm just curious why it's back. Thanks, Richard

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  • How to use ASP .NET dropdown with ajax

    - by Poomjai
    Greeting, I'm beginer of ajax technology and now i need to create two dropdown in MVC project for example: First dropdown has the list of classroom [601,602,603] when i choose one then next dropdown will has the list of student belong to each class room. Now, I already create the repository class that has method GetStudentByClassroomName() and already connect to the database. Can anyone give me a suggestion how to create it or any technology to create the dropdown like this? Thank you very much ^_^

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  • ADO.NET Batch Insert with over 2000 parameters

    - by Liming
    Hello all, I'm using Enterprise library, but the idea is the same. I have a SqlStringCommand and the sql is constructed using StringBuilder in the forms of "insert into table (column1, column2, column3) values (@param1-X, @param2-X, @parm3-X)"+" " where "X" represents a "for loop" about 700 rows StringBuilder sb = new StringBuilder(); for(int i=0; i<700; i++) { sb.Append("insert into table (column1, column2, column3) values (@param1-"+i+", @param2-"+i, +",@parm3-"+i+") " ); } followed by constructing a command object injecting all the parameters w/ values into it. Essentially, 700 rows with 3 parameters, I ended up with 2100 parameters for this "one sql" Statement. It ran fine for about a few days and suddenly I got this error =============================================================== A severe error occurred on the current command. The results, if any, should be discarded. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.InternalExecuteNon Any pointers are greatly appreciated.

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  • Calling a generic function in VB.NET / C#

    - by Quandary
    Question: I want to call a generic function, defined as: Public Shared Function DeserializeFromXML(Of T)(Optional ByRef strFileNameAndPath As String = Nothing) As T Now when I call it, I wanted to do it with any of the variants below: Dim x As New XMLserialization.cConfiguration x = XMLserialization.XMLserializeLDAPconfig.DeserializeFromXML(Of x)() x = XMLserialization.XMLserializeLDAPconfig.DeserializeFromXML(GetType(x))() x = XMLserialization.XMLserializeLDAPconfig.DeserializeFromXML(Of GetType(x))() But it doesn't work. I find it very annoying and unreadable having to type x = XMLserialization.XMLserializeLDAPconfig.DeserializeFromXML(Of XMLserialization.cConfiguration)() Is there a way to call a generic function by getting the type from the instance ?

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  • Asp.Net MVC ActionLink

    - by Pino
    Can anyone explain why the following happens? And how to resolve, Visual Studio 2010 and MVC2 <%= Html.ActionLink("Add New Option", "AddOption", "Product", new { @class = "lighbox" }, null)%> Results in /Product/AddOption?class=lightbox <%= Html.ActionLink("Add New Option", "AddOption", "Product", new { @class = "lighbox" })%> Results in /Product/AddOption?Length=7 Thanks

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  • why can't asp.net find my textbox?

    - by phunehehe
    Hello, I'm trying to add more fields to the CreateUserWizardStep, here is what I added: <asp:CreateUserWizardStep ID="CreateUserWizardStep1" runat="server"> <ContentTemplate> <table border="0"> <tr> <td align="right"> <asp:Label ID="NickNameLabel" runat="server" AssociatedControlID="NickName">Nick Name:</asp:Label> </td> <td> <asp:TextBox ID="NickName" runat="server"></asp:TextBox> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="NickName" ErrorMessage="Nick Name is required." ToolTip="Nick Name is required." ValidationGroup="CreateUserWizard1">*</asp:RequiredFieldValidator> </td> </tr> <%-- The default code is left unchanged, but not shown here --%> </table> </ContentTemplate> </asp:CreateUserWizardStep> Then I tried to reference the objects like this protected void NewUserWizard_CreatedUser(object sender, EventArgs e) { CreateUserWizardStep step = NewUserWizard.FindControl("CreateUserWizardStep1") as CreateUserWizardStep; TextBox nickName= step.FindControl("NickName") as TextBox; // insert additional information to the database } The problem is, I'm getting nulls for nickName. Am I using FindControl("") incorrectly?

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  • Bind ISet in ASP.NET MVC2

    - by Dmitriy Nagirnyak
    Hi, I am trying to find out what would be the best bind first element of ISet (Iesi.Collection) as a first element. So basically I only have to use some kind of collection that has an indexer (and ISet doesn't) then I can write code like this (which works perfectly well): <%: Html.EditorFor(x => x.Company.PrimaryUsers[0].Email) %> But as the ISet has no indexer I cannot use it. So how can I then bind the first element of ISet in MVC2? Thanks, Dmitriy.

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  • Read assembly Guid without locking the DLL in an appdomain in medium trust ASP.Net

    - by ggonsalv
    Is it possible to read the GUID from the Assembly without actually loading it in the current App Domain. Normally Assembly.Load loads the DLL into the app domain. I just want to read the value. The description of the GUID is 'The following GUID is for the ID of the typelib ' if this project is exposed to COM <Assembly: Guid("DEDDE61CD-928E-4ACD-8C25-3B8577284819")> The main thing is I don't want to lock the file so that there are no errors 'Another process is accessing the file' error.

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  • problem with RenderOuterTable property for .net 4.0 controls

    - by Mario
    According to the new 4.0 framework overview, one should be able to add the attrib RenderOuterTable="false" to a control that supports the attribute and see css friendly code be spit out - in other words no html tables. To test this, I threw a login control into a basic fresh webpage with the following code: <asp:Login ID="Login1" runat="server" RenderOuterTable="false"></asp:Login> The result? Crappy html table output, which supposedly doesn't happen with this attrib set to false. Here is the output: &lt;table cellpadding=&quot;0&quot;&gt; <tr> <td align="center" colspan="2">Log In</td> </tr><tr> <td align="right"><label for="MainContent_Login1_UserName">User Name:</label></td><td><input name="ctl00$MainContent$Login1$UserName" type="text" id="MainContent_Login1_UserName" /><span id="MainContent_Login1_UserNameRequired" title="User Name is required." style="visibility:hidden;">*</span></td>... Hopefully you get the point. Anyone know how to stop these controls from outputting tables? This is super annoying.

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  • Working with images in asp.net MVC ViewMasterPage in design mode

    - by amit.codename13
    While designing a master page i am adding a number of images to it. I have an image tag inside the master page, <img src="../../Content/Images/img19.jpg" class="profileImage" /> When i run my app, the image doesn't show up in the browser because the src path in the page that browser gets is same as in the master page. ie. "../../Content/Images/img19.jpg" But it should have been "Content/Images/img19.jpg" If i correct the src path in master page as <img src="Content/Images/img19.jpg" class="profileImage" /> Then I can see the image in the browser but not in design mode. Any help is appreciated.

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  • client side validation in ascx files (user controls) for asp.net mvc

    - by Sefer KILIÇ
    hi, I have a logOn forn in ascx files and I render it as partial. How I can add a clinet side validation to this form, have any idea ? My below code does not work <%= Html.ValidationSummary(true, "Giris basarisiz oldu. Lütfen hatalari düzeltip tekrar deneyin.") %> <% Html.EnableClientValidation(); %> <% using (Html.BeginForm("LogOnProcess", "Account")) { %> <div> <fieldset> <legend>Hesap Bilgileri</legend> <div class="editor-label"> <%= Html.LabelFor(m => m.UserName) %> </div> <div class="editor-field"> <%= Html.TextBoxFor(m => m.UserName) %> <%= Html.ValidationMessageFor(m => m.UserName) %> </div> <div class="editor-label"> <%= Html.LabelFor(m => m.Password) %> </div> <div class="editor-field"> <%= Html.PasswordFor(m => m.Password) %> <%= Html.ValidationMessageFor(m => m.Password) %> </div> <div class="editor-label"> <%= Html.CheckBoxFor(m => m.RememberMe) %> <%= Html.LabelFor(m => m.RememberMe) %> </div> <p> <input type="submit" value="Giris" /> </p> </fieldset> </div> <% } %>

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  • FileUpload ASP.NET control not working under Windows 7

    - by YourMomzThaBomb
    I have a User Control that contains a System.Web.UI.WebControls.FileUpload control as well as a button to 'Submit'. When the button is clicked code similar to the following is executed: If FileUploadControl.HasFile Then 'Save the file and do some other stuff End If This code works just fine with Windows XP. However, if I run it from a Windows 7 64-bit machine using IE8 32-bit the HasFile property always returns false and nothing is saved?! Any suggestions/ideas would be greatly appreciated.

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  • A potentially dangerous Request.Form value in MVC 2 & ASP.NET 4.0

    - by Veton
    When I trying to send form containing value with xml, I get HttpRequestValidationException: A potentially dangerous Request.Form value was detected from the client All approaches I found: <%@ Page ValidateRequest="false" %> in .aspx-file. <pages validateRequest="false" /> in web.config. [ValidateInput(false)] on controller's action. don't help me. Hope for any advice.

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  • ASP.NET aspxerrorpath in URL

    - by theog
    I have a site where I use CustomErrors in the web.config to specify a custom error page, and that's working just fine. The custom 404 page is also specified in the IIS configuration (because if it's not, I don't get my custom 404 page). But I have some logic that kicks in if a user gets a 404 that looks at their requested URL and make a navigation suggestion, if appropriate. This logic relies on the aspxerrorpath value. On my development PC, the aspxerrorpath is correctly appended to the URL, like so: http://localhost:3092/FileNotFound.aspx?aspxerrorpath=/badpage.aspx, but on my test site, there's no aspxerrorpath appended to the URL, so all of my custom logic is bypassed and my suggestions don't work. I'm not sure if this is an IIS config issue or something else. The web server is Windows Server 2008 with IIS 7. Any thoughts? Many Thanks.

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  • Asp.net mvc, entity framework, Poco - Architecture

    - by user1576228
    I have a "small" enterprise application, aspnet mvc 3 + entity framework with POCO entity and repository pattern. I structured the solution in 4 projects: POCO entities Domain model Services web application When the application performs a query on the database, use one of the services provided, the service uses the repository and the small classes, as a result I have some dynamic proxy objects that I would like to convert in my domain entities, before using them in mvc views, but I do not know how. Dovrebber be set as the translator? This approach is reasonable?

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  • RavenDB Ids and ASP.NET MVC3 Routes

    - by goober
    Hey all, Just building a quick, simple site with MVC 3 RC2 and RavenDB to test some things out. I've been able to make a bunch of projects, but I'm curious as to how Html.ActionLink() handles a raven DB ID. My example: I have a Document called "reasons" (a reason for something, just text mostly), which has reason text and a list of links. I can add, remove, and do everything else fine via my repository. Below is the part of my razor view that lists each reason in a bulleted list, with an Edit link as the first text: @foreach(var Reason in ViewBag.ReasonsList) { <li>@Html.ActionLink("Edit", "Reasons", "Edit", new { id = Reason.Id }, null) @Reason.ReasonText</li> <ul> @foreach (var reasonlink in Reason.ReasonLinks) { <li><a href="@reasonlink.URL">@reasonlink.URL</a></li> } </ul> } The Problem This works fine, except for the edit link. While the values and code here appear to work directly (i.e the link is firing directly), RavenDB saves my document's ID as "reasons/1". So, when the URL happens and it passes the ID, the resulting route is "http://localhost:4976/Reasons/Edit/reasons/2". So, the ID is appended correctly, but MVC is interpreting it as its own route. Any suggestions on how I might be able to get around this? Do I need to create a special route to handle it or is there something else I can do?

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  • ASP.NET MVC Catch All

    - by rkrauter
    The ignore route is defined like this: routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); Why not routes.IgnoreRoute("{resource}.axd/{*}"); What is the significance of pathInfo? Thanks.

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  • Visual Studio ASP.Net MVC undo set as start page action

    - by kingrichard2005
    I have an web application that I'm working on, it was working fine until my curiosity got the better of me and I right-clicked on a view and chose Set As Start Page option. Now, whenever I run my application it takes me to the Resource Not Found error page. I have the default register route set in my Global config route which was working fine before. I notice that the URL now reads: http://localhost:1234/Views/User/Login.aspx instead of http://localhost:1234/ like it was before. I'm not sure how to undo this action or what was changed, I've looked in my web.config file but I'm not sure what to look for exactly, Help is appreciated.

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