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  • Is it a good idea to put all assembly: WebResource in the same cs file?

    - by Guilherme J Santos
    I have a .NET library, with some WebControls. These webControls have Embed Resources. And we declare them like it, in all webcontrols for each cs file: Something like this: [assembly: WebResource("IO.Css.MyCSS.css", "text/css")] namespace MyNamespace.MyClass { [ParseChildren(true)] [PersistChildren(false)] [Designer(typeof(MyNamespace.MyClassDesigner))] public class QuickTip : Control, INamingContainer { //My code... } } Would it be a good idea to create a cs file and include all WebResource declarations there? Example a cs file with just: [assembly: WebResource("IO.Css.MyCSS.css", "text/css")] [assembly: WebResource("IO.Image.MyImage.png", "image/png")] //And many other WebResources of all WebControls of the Assembly

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  • Does the use of mongodb enhance extending/changing database driven applications?

    - by developer10214
    When an application is created which need to store data, an SQL database is used very often. So did I in a lot of asp.net applications. The resulting applications have often an ORM like the entity framework and maybe a business layer. So when such an application needs to be extended(let's say you have to add a comment property to an object), you have to change/extend the database, then the ORM and the business layer and so on. To deploy the changes you have to update the target database and the application. I know that things like code first and fluent can make this approach easier. I tried mongodb, I only used the standard driver and I had to extend some objects and all I had to do was changing the code. So it feels that such approaches are much easier to realize when using mongodb. I don't have much experience with larger applications an mongodb. I know that a SQL database or mongodb doesn't fit for all needs and both have their pros and cons. I want to know if my feeling is right, if yes I would choose rather choose mongodb than SQL database.

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  • ASP.NET RedirectPermanent Method using C# and VB.NET

    301 redirection is essential for the best user experience. If something on your website has been changed or moved to a new permanent location, users will need to be permanently redirected. In addition, search engines can follow this type of redirection, and this redirected-to page will now be the one to rank in Google or other search engines, replacing the old page. There are different ways to implement the RedirectPermanent method. This tutorial will illustrate these common techniques with sample VB.NET or C# code. Creating the Sample ASP.NET 4.0 Website RedirectPermanent is new in ASP.NET 4....

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  • ASP.NET Podcast Show #142 - MonoTouch - iPhone Development with .NET/C# - Video & Audio

    Subscribe to Everything. Subscribe to WMV. Subscribe to M4V. Subscribe to MP3. Download WMV. Download M4V. Download MOV. Download MP3. Show Notes: Apple, Developers, and Licensing.Why Develop on the iPhone.What is Mono and MonoTouch.Getting started with a Hello World style application.UITableView with a custom table cell.Acceleration. Note: There is a shake event, this is done to show acceleration.MonoTouch ebook.Professional iPhone Development wit MonoTouch and .NET/C#....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How do I Export to excel on aspx page?

    - by meltdownmonk
    I am trying to take data that I request from an access database and put it into and excel file on the client computer. I usually use ajax to request a summary of the data I need. It is formatted into an html table. I need that table to be in an excel format for the user to download. What I have tried already is to use the vb.net code to open excel and silently save the data to a file, however I realized it's the sever side that opens excel, not the client side, in my locally testing of the code, excel would open on my machine and create the file. When running this on the network, I realized excel isn't on the server, I am not sure if I should just install it, or try and steam the file.

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  • Converting JPEG colorspace (Adobe RGB to sRGB) on Windows (.Net)

    - by Imageree
    I need to generate thumbnail and medium sized images from large photos. These smaller photos are for display in an online gallery. Many of the photographers are submitting JPEG images using Adobe RGB. I would like to use sRGB for all thumbnails and medium size images I am using dotnet (asp.net) and need a way to convert from Adobe RGB to sRGB without losing any quality. Thanks in advance.

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  • Protect .net Web Service URL

    - by Nirmal
    Hello All... I have created Web Service using Asp.net 3.5. Now it's working perfectly in live windows server, and giving me perfect xml while invoking it using some url like : http://www.somedomain.com/Service.asmx?op=fetchData Now My question is when I am accessing url like : http://www.somedomain.com/Service.asmx it's listing my created web services. What if I don't wanna list down the available web services to end users. Thanks in advance...

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  • .NET - How to debug a dll ?

    - by Amokrane
    Hi, I need to debug a class library project that is provided to the main project (an ASP .NET website) as a DLL. For example, I need to put some breakpoints in order to check what's happening during the execution. I tried this : http://msdn.microsoft.com/en-us/library/605a12zt.aspx, unfortunately it didn't work... Any idea? Thanks

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  • Use fileupload as template field in a details view

    - by MyHeadHurts
    I have an admin page where a user will select a document path and add that path to a certain column of a database. I am using a fileupload on the page where they can find the document and copy the path and then paste it into the details view. However, I want to skip this step and I want them to select a document and automatically make the path show up in the details view. <asp:FileUpload ID="FileUpload1" runat="server" Visible="False" Width="384px" /><br /> <br /> <div> <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional"> <ContentTemplate> <center> <asp:DetailsView ID="DetailsView1" runat="server" AllowPaging="True" AutoGenerateRows="False" DataKeyNames="ID" DataSourceID="SqlDataSource1" Height="128px" Width="544px" Visible="False" OnModeChanged="Button2_Click" CellPadding="4" ForeColor="#333333" GridLines="None" > <Fields> <asp:BoundField DataField="Order" HeaderText="Order" SortExpression="Order" /> <asp:BoundField DataField="Department" HeaderText="Department" SortExpression="Department"/> <asp:BoundField DataField="DOC_Type" HeaderText="DOC_Type" SortExpression="DOC_Type" /> <asp:BoundField DataField="Title" HeaderText="Title" SortExpression="Title" /> <asp:BoundField DataField="Revision" HeaderText="Revision" SortExpression="Revision" /> <asp:BoundField DataField="DOC" HeaderText="DOC" SortExpression="DOC" /> <asp:BoundField DataField="Active" HeaderText="Active" SortExpression="Active" /> <asp:BoundField DataField="Rev_Date" HeaderText="Rev_Date" SortExpression="Rev_Date" /> <asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True" SortExpression="ID" Visible="False" /> <asp:CommandField ShowInsertButton="True" /> </Fields> <FooterStyle BackColor="#5D7B9D" BorderStyle="None" Font-Bold="True" ForeColor="White" /> <CommandRowStyle BackColor="#E2DED6" BorderStyle="None" Font-Bold="True" /> <RowStyle BackColor="#F7F6F3" BorderStyle="None" ForeColor="#333333" /> <FieldHeaderStyle BackColor="#E9ECF1" BorderStyle="None" Font-Bold="True" /> <EmptyDataRowStyle BorderStyle="None" /> <PagerStyle BackColor="#284775" BorderStyle="None" ForeColor="White" HorizontalAlign="Center" /> <HeaderStyle BackColor="#5D7B9D" BorderStyle="None" Font-Bold="True" ForeColor="White" /> <InsertRowStyle BorderStyle="None" /> <EditRowStyle BackColor="#999999" BorderStyle="None" /> <AlternatingRowStyle BackColor="White" BorderStyle="None" ForeColor="#284775" /> </asp:DetailsView> &nbsp; <br /> I need to get the fileupload1 into the DOC contenttemplate area so instead of showing an empty textbox it will show just a textbox it will show the fileupload

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  • How to send emails with a Return Path in .net 3.5

    - by Haroon
    Can any one guide me on how i can send emails with a return path in ASP.net 3.5 / C# 3.5. I know this was possible few years back but now due to spoofing issues this is not possible. I have been looking on internet but no use. I want the emails if bounced, should reach my bounce mail box, which could be like [email protected]. Please guide. Really stuck ... Best regards, Haroon

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  • What are some good/reputable/widely-used libraries written in VB.NET?

    - by Dan Tao
    Generally speaking, when VB.NET and C# are compared, there is a lot of strong support for C#, accompanied by some bashing of VB.NET until a respected developer comes along and acts as The Voice Of Reason, pointing out that while VB prior to VB.NET had its fair share of issues, VB.NET is really a very strong, fully OOP language that is, feature-wise, right about on par with C# (with the exception of certain things like a full-bodied lamba syntax [pre-VB10] or the yield keyword, as many C# faithfuls are quick to point out). I myself, having written plenty of code in both VB.NET and C#, fall squarely in the "I prefer C#, but don't consider VB.NET any less of a language" camp. However, one thing I have noticed is that when it comes to respected and/or widely-used libraries for .NET, everyting is written in C#. Or at least that's been my impression. This strikes me as a little strange because, aside from the abovementioned sprinkling of nice features (in particular the yield keyword), I tend to view the VB.NET/C# divide as primarily a matter of personal taste. Obviously, plenty of developers prefer C#. But I personally know some developers (good ones) who prefer VB.NET, which would lead me to suspect that surely some libraries (good ones) would be written in VB.NET. They must be out there, and I just haven't found them. What are some good libraries that've been written in VB.NET? The best would be open source, as that would allow interested developers to take a look at some good VB.NET code and see how effective the language can be when used properly. But I'd be interested to know about any libraries at all, particularly reputable ones.

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  • Quartz.NET trigger not firing

    - by billy_bob_the
    i am using Quartz.NET in my ASP.NET web application. i put the following code in a button click handler to make sure that it executes (for testing purposes): Quartz.ISchedulerFactory factory = new Quartz.Impl.StdSchedulerFactory(); Quartz.IScheduler scheduler = factory.GetScheduler(); Quartz.JobDetail job = new Quartz.JobDetail("job", null, typeof(BackupJob)); Quartz.Trigger trigger = Quartz.TriggerUtils.MakeDailyTrigger(8, 30); // i edit this each time before compilation (for testing purposes) trigger.StartTimeUtc = Quartz.TriggerUtils.GetEvenSecondDate(DateTime.UtcNow); trigger.Name = "trigger"; scheduler.ScheduleJob(job, trigger); scheduler.Start(); here's "BackupJob": public class BackupJob : IJob { public BackupJob() { } public void Execute(JobExecutionContext context) { NSG.BackupJobStart(); } } my question: why is "BackupJobStart()" not firing? i've used similar code before and it worked fine. EDIT: @Andy White, i would have it in Application_Start in Global.asax. this doesn't work which is why i moved it to a button click handler to narrow down the problem.

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  • Setting Session Variable from UpdatePanel

    - by Gavin
    I am using ASP.NET 2.0 AJAX Extensions 1.0 with the version v1.0.20229 of the AJAX Control Toolkit (which to my knowledge is the latest for .NET 2.0/Visual Studio 2005). My web page (aspx) has a DropDownList control on an UpdatePanel. In the handler for the DropDownList's SelectedIndexChanged event I attempt to set a session variable. The first time the event is fired, I get a Sys.WebForms.PageRequestManagerParserErrorException: "The message received from the server could not be parsed". If I continue, subsequent SelectedIndexChanged's are handled successfully. I have stumbled upon a solution whereby if I initialise the session variable in my Page_Load (so the event handler is just setting the value of a session variable that already exists as opposed to creating a new one) the problem goes away. I'm happy to do this, but I'm curious as to exactly what the underlying cause is. Can anyone explain? (My suspicion is that setting the session variable receives a response from the server which is then returned to the 'caller', but it's not the sort of response it knows how to deal with causing the exception?) EDIT: I reproduced the problem in a seperate little project: Default.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="SessionTest._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <div> <asp:UpdatePanel id="upCategorySelector" runat="server"> <ContentTemplate> Category: <asp:DropDownList ID="ddlCategory" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlCategories_SelectedIndexChanged"> <asp:ListItem>Item 1</asp:ListItem> <asp:ListItem>Item 2</asp:ListItem> <asp:ListItem>Item 3</asp:ListItem> </asp:DropDownList> </ContentTemplate> </asp:UpdatePanel> </div> </form> </body> </html> Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; namespace SessionTest { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { // If I do this, the exception does not occur. if (Session["key"] == null) Session.Add("key", 0); } protected void ddlCategories_SelectedIndexChanged(object sender, EventArgs e) { // If Session["key"] has not been created, setting it from // the async call causes the excaption Session.Add("key", ((DropDownList)sender).SelectedValue); } } }

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  • How to debug UrlRewriter.NET?

    - by vfilby
    I have looked at their help page it seems like I can register a debug logger that outputs information to the 'standard ASP.NET debug window'. My problem is I don't know what that means, if it means the debug output window in Visual Studio (where you see build output, debug output and more) I am not seeing any UrlRewriter debug output. The rules are working (mostly) I just want to get more debug output to fix issues. I added the register call to the rewriter section like this: <rewriter> <register logger="Intelligencia.UrlRewriter.Logging.DebugLogger, Intelligencia.UrlRewriter" /> .... </rewriter> I am hosting this website locally in IIS on Vista, to debug it I attach the debugger to the w3wp process. Other selected parts from the web.config" <compilation debug="true"> <assemblies> ... </assemblies> </compilation> <trace enabled="true"/> Where should I see the debug output from UrlRewriter.NET? If it is in the Visual Studio debug output window, any ideas why I am not seeing it there?

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  • .NET and SMTP Configuration

    - by koevoeter
    Sometimes I feel stupid about discovering .NET features that have been there since an old release (2.0 in this case)... Apparently you can just use this configSecion “mailSettings” and never have to configure your SmtpClient instance in code again (no, not hard-coded): <system.net>     <mailSettings>         <smtp deliveryMethod="Network" from="My Display Name &lt;[email protected]&gt;">             <network host="mail.server.com" />         </smtp>     </mailSettings> </system.net> Now you can go all like: new SmtpClient().Send(mailMessage); …and everything is configured for you, even the from address (which you can obviously override).

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  • ASP.NET MVC returning ContentResult using Ajax form - how to preserve whitespace?

    - by Ben
    In my application users can enter commands that are executed on the server. The results are added to a session object. I then stuff the session object into ViewData and add it to a textarea. When done with a standard HTML form whitespace is preserved. However, when I swap this out for an ajax form (Ajax.BeginForm) and return the result as ContentResult, the whitespace is removed. Controller Action: [HttpPost] public ActionResult Execute(string submitButton, string command) { if (submitButton == "Clear") { this.CurrentConsole = string.Empty; } if (submitButton == "Execute" && !string.IsNullOrEmpty(command)) { var script = new PSScript() { Name = "Ad hoc script", CommandText = command }; this.CurrentConsole += _scriptService.ExecuteScript(script); } if (Request.IsAjaxRequest()) { return Content(this.CurrentConsole, "text/plain"); } return RedirectToAction("Index"); } View: <fieldset> <legend>Shell</legend> <%=Html.TextArea("console", ViewData["console"].ToString(), new {@class = "console", @readonly = "readonly"})%> <% using (Ajax.BeginForm("Execute", new AjaxOptions { UpdateTargetId = "console", OnBegin = "console_begin", OnComplete = "console_complete"})) { %> <input type="text" id="command" name="command" class="commandtext" /> <input type="submit" value="Execute" class="runbutton" name="submitButton" /> <input type="submit" value="Clear" class="runbutton" name="submitButton" /> <%} %> </fieldset> How can I ensure that whitespace is preserved? When I inspect the response in FireBug it looks like the whitespace is transmitted, so can only assume it has something to do with the way in which the javascript handles the response data.

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  • How to build a tracing log in asp.net mvc?

    - by John
    Is there an easy way to generate a log file that will trace at runtime the path through the code? I would like to see every controller, action, and view that was executed as my program runs. Can this be done without having to add logging code to every controller, action, and view?

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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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  • asp.net ModalPopupExtender : need to show scroll bar when overflow

    - by DavRob60
    I display a gridview in a ModalPopupExtender. When the screen resolution is to small, the pop-up is to big to all be displayed on the page. I just want to add scroll bar to the pop-up when this happen. I know it's probably some CSS, but all I tried did not work. here some base css .modalTextBoxBackground { background-color:Gray; filter:alpha(opacity=70); opacity:0.7; } .modalTextBox { border: 1px solid #FFFFFF; background-color: #0066CC; color: #00FFFF; } here some code from the aspx <asp:Panel ID="OptionSelectionPanel" runat="server" CssClass="modalTextBox"> <asp:UpdatePanel ID="OptionSelectionUpdatePanel" runat="server" UpdateMode="Conditional" > <Triggers> <asp:asyncPostBackTrigger ControlID="TemplateSelection" /> </Triggers> <ContentTemplate> <table class="EditRow"> <tr class="HeaderFooter"> <td colspan="3" class="modalTextBoxTitle"> Add options to Quote </td> </tr> <tr> <td> Manufacturer </td> <td> <asp:DropDownList ID="OptionManufacturerFilter" runat="server" DataSourceID="OptionManufacturerDataSource" DataTextField="Name" DataValueField="Code" AutoPostBack="True" > </asp:DropDownList> </td> </tr> <tr> <td colspan="3"> <asp:GridView ID="NewOptionSelection" runat="server" DataSourceID="AvailableOptions" DataKeyNames="Option_Id" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="false"> <Columns> <asp:BoundField DataField="category_Descr" HeaderText="Category" SortExpression="category_Descr,subcategory_Descr,code" /> <asp:BoundField DataField="subcategory_Descr" HeaderText="Sub-Category" SortExpression="subcategory_Descr,code" /> <asp:BoundField DataField="Manuf_Name" HeaderText="Manufacturer" SortExpression="Manuf_Name"/> </Columns></asp:GridView> </td> </tr> <tr class="HeaderFooter"> <td colspan="3" class="Center"> <asp:Button ID="OptionSelectionClose" runat="server" Text="Close" /> </td> </tr> </table> </ContentTemplate> </asp:UpdatePanel> </asp:Panel> <asp:Button runat="server" ID="HiddenTargetControlForOptionSelectionModalPopup" style="display:none"/> <cc1:ModalPopupExtender ID="OptionSelectionModalPopupExtender" runat="server" TargetControlID="HiddenTargetControlForOptionSelectionModalPopup" PopupControlID="OptionSelectionPanel" BackgroundCssClass="modalTextBoxBackground" />

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  • How would you validate a checkbox in ASP.Net MVC 2?

    - by Scott Mayfield
    Using MVC2, I have a simple ViewModel that contains a bool field that is rendered on the view as a checkbox. I would like to validate that the user checked the box. The [Required] attribute on my ViewModel doesn't seem to do the trick. I believe this is because the unchecked checkbox form field is not actually transmitted back during the POST, and therefore the validation doesn't run on it. Is there a standard way to handle checkbox "required" validation in MVC2? or do I have to write a custom validator for it? I suspect the custom validator won't get executed either for the reason mentioned above. Am I stuck checking for it explicitly in my controller? That seems messy... Any guidance would be appreciated. Scott

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  • Validate MVC 2 form using Data annotations and Linq-to-SQL, before the model binder kicks in (with D

    - by Stefanvds
    I'm using linq to SQL and MVC2 with data annotations and I'm having some problems on validation of some types. For example: [DisplayName("Geplande sessies")] [PositiefGeheelGetal(ErrorMessage = "Ongeldige ingave. Positief geheel getal verwacht")] public string Proj_GeplandeSessies { get; set; } This is an integer, and I'm validating to get a positive number from the form. public class PositiefGeheelGetalAttribute : RegularExpressionAttribute { public PositiefGeheelGetalAttribute() : base(@"\d{1,7}") { } } Now the problem is that when I write text in the input, I don't get to see THIS error, but I get the errormessage from the modelbinder saying "The value 'Tomorrow' is not valid for Geplande sessies." The code in the controller: [HttpPost] public ActionResult Create(Projecten p) { if (ModelState.IsValid) { _db.Projectens.InsertOnSubmit(p); _db.SubmitChanges(); return RedirectToAction("Index"); } else { SelectList s = new SelectList(_db.Verbonds, "Verb_ID", "Verb_Naam"); ViewData["Verbonden"] = s; } return View(); } What I want is being able to run the Data Annotations before the Model binder, but that sounds pretty much impossible. What I really want is that my self-written error messages show up on the screen. I have the same problem with a DateTime, which i want the users to write in the specific form 'dd/MM/yyyy' and i have a regex for that. but again, by the time the data-annotations do their job, all i get is a DateTime Object, and not the original string. So if the input is not a date, the regex does not even run, cos the data annotations just get a null, cos the model binder couldn't make it to a DateTime. Does anyone have an idea how to make this work?

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