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POMVC 4 Post data is resetting unchanged properties
 

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  1. POMVC 4 Post data is resetting unchanged properties
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    <p>What I am trying to make is a view in which the properties of a model are displayed, and the option to change 1 property, in this case "Status" for which I made a helper.</p> <p>I got to the point at which the changed property is correctly modified and changed, but somehow values of the other properties are now being resetted.</p> <p>I am guessing this is because the post data is being used to modify the model and since some properties are unchangeable, I guess an empty value is used to update the model?</p> <p>here is my controllers GET:</p> <pre><code>public ActionResult Edit(int id = 0) { ProductCode productcode = db.ProductCodes.Find(id); if (productcode == null) { return HttpNotFound(); } return View(productcode); } </code></pre> <p>and here the POST:</p> <pre><code>[HttpPost] public ActionResult Edit(ProductCode productcode) { if (ModelState.IsValid) { db.Entry(productcode).State = EntityState.Modified; db.SaveChanges(); return RedirectToAction("Index"); } return View(productcode); } </code></pre> <p>And finally the view:</p> <pre><code>@model PortalTMC.Models.ProductCode @{ ViewBag.Title = "Change status"; } &lt;h2&gt;Status veranderen&lt;/h2&gt; &lt;br /&gt; @using (Html.BeginForm()) { @Html.ValidationSummary(true) &lt;fieldset&gt; &lt;legend&gt;ProductCode&lt;/legend&gt; @Html.HiddenFor(model =&gt; model.Id) @Html.LabelFor(model =&gt; model.Id, "Id") @Html.DisplayFor(m =&gt; m.Id) @Html.LabelFor(model =&gt; model.Code, "Product code") @Html.DisplayFor(m =&gt; m.Code) @Html.LabelFor(model =&gt; model.Role, "Rol (1 = Administrator | 2 = Trainer | 3 = User)") @Html.DisplayFor(m =&gt; m.Role) &lt;div class="editor-label"&gt; @Html.LabelFor(model =&gt; model.Status, "Status") &lt;/div&gt; &lt;div class="editor-field"&gt; @Html.EnumDropDownListFor(model =&gt; model.Status) &lt;/div&gt; &lt;p&gt; &lt;input type="submit" value="Verander status" /&gt; &lt;/p&gt; &lt;/fieldset&gt; } &lt;div&gt; @Html.ActionLink("Terug naar lijst", "Index") &lt;/div&gt; @section Scripts { @Scripts.Render("~/bundles/jqueryval") } </code></pre> <p>Any help would be much appreciated</p> <p><strong>Update:</strong></p> <p>Unfortunately including or excluding the properties on the post method is not working :/ for example if I replace the post method to:</p> <pre><code>[AcceptVerbs(HttpVerbs.Post)] [HttpPost] public ActionResult Edit([Bind(Exclude = "Role, Code")] ProductCode productcode) { if (ModelState.IsValid) { db.Entry(productcode).State = EntityState.Modified; db.SaveChanges(); return RedirectToAction("Index"); } return View(productcode); } </code></pre> <p>I still end up with Role and Code being reset..</p> <p>ProductCode is as follows:</p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.ComponentModel.DataAnnotations; namespace PortalTMC.Models { public class ProductCode { //PK [Key] public int Id { get; set; } public string Code { get; set; } public ProductCodeStatus Status { get; set; } public int Role { get; set; } } public enum ProductCodeStatus { Active, Inactive, Pending, } } </code></pre>
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    1. USBram van den Besselaar
    1. USBram van den Besselaar
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      1. POMVC 4 Post data is resetting unchanged properties
      1. USvtortola
 

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