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  • ASP.NET Bind to IEnumerable

    - by JFoulkes
    Hi, I'm passing a the type IEnumerable to my view, and for each item I output a html.textbox to enter the details into. When I post this back to my controller, the collection is empty and I can't see why. public class Item { public Order Order { get; set; } public string Title { get; set; } public double Price { get; set; } } My Get method: public ActionResult AddItems(Order order) { Item itemOne = new Item { Order = order }; Item itemTwo = new Item { Order = order, }; IList<Item> items = new List<Item> { itemOne, itemTwo }; return View(items); } The View: <% int i = 0; foreach (var item in Model) { %> <p> <label for="Title">Item Title:</label> <%= Html.TextBox("items[" + i + "].Title") %> <%= Html.ValidationMessage("items[" + i + "].Title", "*")%> </p> <p> <label for="Price">Item Price:</label> <%= Html.TextBox("items[" + i + "].Price") %> <%= Html.ValidationMessage("items[" + i + "].Price", "*")%> </p> <% i++; } %> The POST method: [AcceptVerbs(HttpVerbs.Post)] public ActionResult AddItems(IEnumerable<Item> items) { try { return RedirectToAction("Index"); } catch { return View(); } } At the moment i just have a breakpoint on the post method to check what i'm gettin back.

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  • Asp.Net Mvc - Html.TextBox - Set Autofocus property

    - by Melursus
    In Html 5, there is an new attribute on textbox call autofocus. The problem is it is a boolean value (there or not there) It should look something like : <input name="a" value="" autofocus> I try : <%= Html.TextBox( "a", null, new { autofocus } ) %> But, it's give me an error because I'm not setting a value to autofocus... I know I can do it manually, but can I do it with Html.TextBox ?

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  • jquery ui css not loading and creating poblems with asp.net mvc3 page (unexpected token error)

    - by giddy
    hi, So I suspect Im doing something silly, but first off, I can see that my mvc3 project already had jquery ui in it but no theme css files. I needed a date picked and as usual needed to override the EditorFor DateTime. I started off today by just using the default jquery ui js files supplied with the project under scripts. The date picker shows up fine, only with a completed messed up UI based on Site.css. So now I downloaded a build of jquery (with the start theme) and followed this page about how to put it together. Im using T4MVC so my page looks like this: Layout.cshtml : <script src="@Links.Scripts.jquery_1_4_4_js" type="text/javascript"></script> <link href="@Links.Content.Site_css" rel="stylesheet" type="text/css" /> <script src="@Links.Content.start.jquery_ui_1_8_7_custom_css" type="text/javascript"></script> Create.cshtml <script src="@Links.Scripts.jquery_validate_min_js" type="text/javascript"></script> <script src="@Links.Scripts.jquery_validate_unobtrusive_min_js" type="text/javascript"></script> <script src="@Links.Scripts.jquery_ui_1_8_7_custom_min_js" type="text/javascript"></script> And this is the result: Any ideas, Ive been googleing for a while now, I tried a couple combinations of where I put the script and css files tags in different places, but nothing seems to work.

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  • Starting with asp.net MVC

    - by Josemalive
    Hello, Actually im doing a home page that only have an action called Index() that returns the view Index.ascx. This index page will be composed by lastest news and lastest registered users, i think that create two partial views is the best idea (this way i could use it in other views). for other hand i have a data access class that calls to database for get stuff (get last news, get last users, etc...) My question is simple, should i call to the this data access class in the Index() action of my HomeController, and add to the ViewData the data obtained? I think that this index() action shouldnt be the responsable of passing this data to the partial views, right? Could you give me a hand? im messing too much? ;-) Thanks in advance. Best Regards. Jose

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  • ASP.NET MVC: when posted Upload File, it is null in action method

    - by Spencer
    In the View page, code is below: <% =Html.BeginForm("About", "Home", FormMethod.Post, new {enctype="multipart/form-data "})%> <input type ="file" name ="postedFile" /> <input type ="submit" name ="upload" value ="Upload" /> <% Html.EndForm(); %> In the Controller, something like this: [AcceptVerbs(HttpVerbs.Post)] public ActionResult About(HttpPostedFile postedFile) { //but postedFile is null View(); } But postedFile is null, how to do it?

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  • asp.net mvc user control problem foreach loop

    - by mazhar
    Previous post <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" % <% MvcApplication1.Models.FeaturesRepository _model = new MvcApplication1.Models.FeaturesRepository(); % <% foreach (var md in _model.GetAllFeatures()) { % <%--<% if (md.int_ParentId == 0) { %--% <%= md.vcr_FeaturesName % <%--<% } %--% <% } % It is with reference to the previous post above.Is there something wrong with the foreach loop(The result is correct but it is displaying the series of Add,Add,Add,Add,Add,Add...,which is the last record of the getallfeatures.

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  • .net MVC 3 multiple columns

    - by Teodor
    i want to display a list in more columns with 5 items/column my code now doesn't work as expected: @{ var c=0; } <div > @foreach (var item in Model) { c += 1; @Html.ActionLink(item.Judet , "Browse", new { judet = item.Judet }) <br /> if (c == 5){ Response.Write("</div><div style='border: 1px solid red;'>"); c = 0; } } </div>

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  • Membership.ValidateUser always returns false after upgrade to VS 2010 / .NET 4.0

    - by nw
    Not sure whether this pertains to VS 2010 or to the upgraded framework, but... we are using the Oracle membership provider to authenticate users. Prior to the upgrade everything worked fine, but now Membership.ValidateUser(user, password) returns false despite valid credentials. There is no exception thrown, so it's hard to determine what the problem might be. The website administration tool in VS 2010 is still able to manage users and roles (more or less), so I have no reason to question connectivity. What might the problem be?

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  • Anyone using ASP.NET MembershipProvider with Nhibernate?

    - by JLago
    Hi, I'm trying to implement Membership controls in a mvc 2 application and i'm having trouble dealing with the MembershipUser class. I have my own data store (in Postgresql) and I'm using Nhibernate to deal with it from C#. The thing is, I have my own user class, but I can't use it with any provider I found that implements Membership, because all the functions return the predefined MembershipUser class and cannot return my own. I'm losing my mind here, is there any way i can work with this, or should I implement everything myself? thanks in advance!

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  • ASP.NET MVC3 - Bug using Javascript

    - by ebb
    Hey there, I'm trying to use Ajax.BeginForm() to POST A Json result from my controller (I'm using MVC3). When the Json result is called it should be sent to a javascript function and extract the object using "var myObject = content.get_response().get_object();", However it just throws a "Microsoft JScript runtime error: Object doesn't support this property or method" when trying to invoke the Ajax POST. My code: Controller: [HttpPost] public ActionResult Index(string message) { return Json(new { Success = true, Message = message }); } View: <!DOCTYPE html> <html> <head> <script src="@Url.Content("~/Scripts/jquery-1.4.4.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/jquery.unobtrusive-ajax.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/MicrosoftAjax.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/MicrosoftMvcAjax.js")" type="text/javascript"></script> <script type="text/javascript"> function JsonAdd_OnComplete(mycontext) { var myObject = mycontext.get_response().get_object(); alert(mycontext.Message); } </script> </head> <body> <div> @using(Ajax.BeginForm("Index", "Home", new AjaxOptions() { HttpMethod = "POST", OnComplete = "JsonAdd_OnComplete" })) { @Html.TextBox("message") <input type="submit" value="SUBMIT" /> } </div> </body> </html> The strange thing is that the exactly same code works in MVC2 - Is this a bug, or have I forgot something? Thanks in advance.

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  • How Pick a Column Value from a ListView Row - C#.NET

    - by peace
    How can i fetch the value 500 to a variable from the selected row? One solution would be to get the row position number and then the CustomerID position number. Can you please give a simple solution. SelectedItems means selected row and SubItems means the column values, so SelectedItem 0 and SubItem 0 would represent the value 500. Right? This is how i populate the listview: for (int i = 0; i < tempTable.Rows.Count; i++) { DataRow row = tempTable.Rows[i]; ListViewItem lvi = new ListViewItem(row["customerID"].ToString()); lvi.SubItems.Add(row["companyName"].ToString()); lvi.SubItems.Add(row["firstName"].ToString()); lvi.SubItems.Add(row["lastName"].ToString()); lstvRecordsCus.Items.Add(lvi); }

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  • ASP.net MVC 3 adding arbitrary text to the end of an ActionLink

    - by infensus
    Hi I have a question about Html.ActionLink. Imagine: @Html.ActionLink(item.title, "Singlet", new { id = item.blog_id }) produces http://[url]/[controller]/Singlet/[id] But what if I want to suffix some more arbitrary data at the end? For example: http://[url]/[controller]/Singlet/[id]/#comments To jump to the comments div. I know I can just make the string myself with something like: @( new HtmlString(String.Format("<a href=\"Blog/Singlet/{0}/#comments\">link to comments</a>", item.blog_id)) ) But I am hoping there is a cleaner way, perhaps with ActionLink? Thanks

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  • ASP.NET MVC Validations

    - by Pinu
    I need to validate the Advanced search form , but it has data to be sent to 2 different table people and documents so i am unable to use data annotations. I need to validate the Name to be characters only, account number & amount to be a number.How can i validate these fields? <asp:Content ID="indexContent" ContentPlaceHolderID="MainContent" runat="server"> <center> <img src="../../Content/images/DocuVault_Logo.png" alt="DocuVault" /> <%= Html.ValidationSummary() %> <% using (Html.BeginForm("QuickSearch", "Search")) { %> <div id="div_QuickSearch"> <table> <tr> <td colspan="2"> <%= Html.TextBox("search", "", new { style = "width: 300px" })%> <input type="submit" value="Search" /> </td> </tr> <tr> <td colspan="2"> <%= Html.ValidationMessage("search") %> </td> </tr> <tr> <td><a href="#" id="link_advanced">Advanced Search</a></td> </tr> </table> <br /> </div> <% } %> <ul> </ul> </div> <% using (Html.BeginForm("AdvancedSearch", "Search")) { %> <div id="div_AdvancedSearch" style="display: none; width: 420px; padding: 10px;"> People <table style="border: solid 1px black; padding: 5px; width: 400px;"> <tr> <td>Name:</td> <td align="right"> <%= Html.TextBox("searchName") %> <%= Html.ValidationMessage("searchName")%> </td> </tr> <tr> <td>Address:</td> <td align="right"> <%= Html.TextBox("searchAddress") %> <%= Html.ValidationMessage("searchAddress")%> </td> </tr> <tr> <td>Account Number:</td> <td align="right"> <%= Html.TextBox("searchAccountNumber") %> <%= Html.ValidationMessage("searchAccountNumber")%> </td> </tr> </table> <br /> Documents <table style="border: solid 1px black; padding: 5px; width: 400px;"> <tr> <td>Invoice:</td> <td align="right"> <%= Html.TextBox("searchInvoice") %> <%= Html.ValidationMessage("searchInvoice")%> </td> </tr> <tr> <td>Amount:</td> <td align="right"> <%= Html.TextBox("searchAmount") %> <%= Html.ValidationMessage("searchAmount")%> </td> </tr> <tr> <td>Job:</td> <td align="right"> <%= Html.TextBox("searchJob") %> <%= Html.ValidationMessage("searchJob")%> </td> </tr> <tr> <td>SDI:</td> <td align="right"> <%= Html.TextBox("searchSDI") %> <%= Html.ValidationMessage("searchSDI")%> </td> </tr> <tr> <td>Date:</td> <td align="right"> <%= Html.TextBox("searchDateBegin", "", new { style = "width: 88px" })%> to <%= Html.TextBox("searchDateEnd", "", new { style = "width: 88px" })%> <%= Html.ValidationMessage("searchDate")%> </td> </tr> </table> <br /> <div style="width: 100%;"> <span style="float: left; margin-left: 10px;"><a href="#" id="link_quick">QuickSearch</a></span> <span style="float: right; margin-right: 10px;"><input type="submit" value="Advanced Search" /></span> </div> </div> <% } %> </center> </asp:Content>

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  • web ui controls and ASP.NET MVC

    - by ognjenb
    Why will not fill View page of this controller method public ActionResult Person() { testEntities6 testPersons = new testEntities6(); IQueryable<person> persons; DropDownLst.Items.Clear(); DropDownLst.Items.Add("proba"); persons = from i in testPersons.person select i; return View(persons); } and include namespaces: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using System.Web.Mvc.Ajax; using MvcKVteam.Models; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; In view page I put this code: <asp:DropDownList ID="IbekoIngDropDownLst" runat="server"> </asp:DropDownList>

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  • Windows Service And Thread Programming .NET

    - by Raghu
    I have developed windows service to process files whose records will be stored in database. When windows service finds a file it creates a thread and assigns each file to one thread. I have not used Thread Pool. I wanted to know when windows service is stopped, then how to identify how many threads are running and whether they are complete. If all the threads are executed then windows service can be stopped successfully. Otherwis windows service should wait until all threads are executed or aborted. How to implement this.

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  • ASP.Net MVC null reference exception with TextArea name

    - by kingrichard2005
    Hello, I have a TextArea html helper method I'm calling in a foreach loop. Basically, when I initially load the View it works fine, but when i reload the View and load postback data, the same TextArea throws a NullReferencException and yet the variable I'm using in the TextArea as the name of the TextArea is not null. I've attached a picture below for demonstration: Sorry if it's difficult to see, the blue arrow below is pointing to the variable used to name the TextArea. Again, it works on initial load, but it errors out on postback when the page is reloaded. I'm not sure what's going on.

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  • Load an Assembly from Bin in ASP.NET

    - by Pete Michaud
    I have a file name, like "Foo.dll," for a library that I know is in the bin directory. I want to create an Assembly object for it. I'm trying to instantiate this object from a class that's not a page, so I don't have the Request object to get the path. How do I get the path I need to use Assembly.Load()?

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  • ASP.NET - Telling the difference between localhost and 127.0.0.1

    - by tyndall
    How can you tell the difference between a request going to 127.0.0.1 and localhost. This line of code on Windows 7 and VS2010 built-in web server can not tell the difference. if (Request.ServerVariables["SERVER_NAME"].ToLower() == "localhost") { } try hitting your own built-in web server with: http://127.0.0.1/ and then http://localhost/

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  • Easiest way to specify the selected option to a dropdown list in ASP.NET MVC

    - by sdr
    I have a list of options (IEnumerable< SelectListItem ) in my model that I want to use in multiple dropdowns in my view. But each of these dropdowns could have a different selected option. Is there an easy way to simply specfiy which should be selected if using the Html.DropDownList helper? At this point, the only way I can see is to generate the html myself and loop through the list of options like so: <% for(int i=0; i<10; i++) { %> <select name="myDropDown<%= i %>"> <% foreach(var option in Model.Options) { %> <option value="<%= Html.Encode(option.optValue) %>" <%if(ShouldBeSelected(i)) {%> selected="selected"<% } %>><%= Html.Encode(option.optText) %></option> <% } %> </select> <% } %>

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  • Convert Null Value to String - C#.NET

    - by peace
    foreach (PropertyInfo PropertyItem in this.GetType().GetProperties()) { PropertyItem.SetValue(this, objDataTable.Rows[0][PropertyItem.Name.ToString()], null); } In one of the loops i get this exceptional error: Object of type 'System.DBNull' cannot be converted to type 'System.String'. The error occurs because one of the fields in the database has no value (null), so the string property could not handle it. How can i convert this null to string? I got this solution If you know a shorter or better one, feel free to post it. I'm trying to avoid checking on every loop is current value is null or not.

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  • VB.NET 2.0 - StackOverflowException when using Thread Safe calls to Windows Forms Controls

    - by LamdaComplex
    I have a Windows Forms app that, unfortunately, must make calls to controls from a second thread. I've been using the thread-safe pattern described on the http://msdn.microsoft.com/en-us/library/ms171728.aspx. Which has worked great in the past. The specific problem I am having now: I have a WebBrowser control and I'm attempting to invoke the WebBrowser.Navigate() method using this Thread-Safe pattern and as a result I am getting StackOverflow exceptions. Here is the Thread-Safe Navigate method I've written. Private Delegate Sub NavigateControlCallback(ByRef wb As WebBrowser, ByVal url As String) Private Sub AsyncNavigate(ByRef wb As WebBrowser, ByVal URL As String) Try If wb.InvokeRequired Then Dim callback As New NavigateControlCallback(AddressOf AsyncNavigate) callback(wb, url) Else wb.Navigate(url) End If Catch ex As Exception End Try End Sub Is there a Thread-Safe way to interact with WinForms components without the side effect of these StackOverflowExceptions?

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  • Insert a Join Statement - (Insert Data to Multiple Tables) - C#/SQL/T-SQL/.NET

    - by peace
    I have a Winform that has fields need to be filled by a user. All the fields doesn't belong to one table, the data will go to Customer table and CustomerPhone table, so i decided to do multiple inserts. I will insert appropriate data to CustomerPhone first then Insert the rest data to Customer table. Is it possible to Join an Insert OR Insert a Join? If show me a rough sample, i will be grateful. Many Thanks

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