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POASP.MVC 2 RTM + ModelState Error at Id property
 

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    <p>I have this classes:</p> <pre class="lang-c# prettyprint-override"><code>public class GroupMetadata { [HiddenInput(DisplayValue = false)] public int Id { get; set; } [Required] public string Name { get; set; } } [MetadataType(typeof(GrupoMetadata))] public partial class Group { public virtual int Id { get; set; } public virtual string Name { get; set; } } </code></pre> <p>And this action:</p> <pre class="lang-c# prettyprint-override"><code>[HttpPost] public ActionResult Edit(Group group) { if (ModelState.IsValid) { // Logic to save return RedirectToAction("Index"); } return View(group); } </code></pre> <p>That's my view:</p> <pre class="lang-c# prettyprint-override"><code>&lt;%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage&lt;Group&gt;" %&gt; &lt;asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"&gt; &lt;% using (Html.BeginForm()) {%&gt; &lt;fieldset&gt; &lt;%= Html.EditorForModel() %&gt; &lt;p&gt; &lt;input type="submit" value="Save" /&gt; &lt;/p&gt; &lt;/fieldset&gt; &lt;% } %&gt; &lt;div&gt; &lt;%=Html.ActionLink("Back", "Index") %&gt; &lt;/div&gt; &lt;/asp:Content&gt; </code></pre> <p>But ModelState is always invalid! As I can see, for MVC validation 0 is invalid, but for me is valid. How can I fix it since, I didn't put any kind of validation in Id property?</p> <p><strong>UPDATE:</strong> I don't know how or why, but renaming Id, in my case to PK, solves this problem.</p> <p>Do you know if this an issue in my logic/configuration or is an bug or expected behavior?</p>
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    1. COWhat is the Error?
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    2. COAre the view's using the model? Is the field called "Name"? :)
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    3. CO@Craig, just "The Id field is required."
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