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PODbUpdateConcurrencyException will always fire
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  1. PODbUpdateConcurrencyException will always fire
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    copied!<p>I have the following Action method, fr editing an object and i am checking for Concurrency exception:-</p> <pre><code>[HttpPost] [ValidateAntiForgeryToken] public ActionResult Edit(Group group) { try { if (ModelState.IsValid) { groupRepository.InsertOrUpdate(group); groupRepository.Save(); return RedirectToAction("Index"); } } catch (DbUpdateConcurrencyException ex) { var entry = ex.Entries.Single(); var clientValues = (Group)entry.Entity; ModelState.AddModelError(string.Empty, "The record you attempted to edit " + "was modified by another user after you got the original value. The " + "edit operation was canceled and the current values in the database " + "have been displayed. If you still want to edit this record, click " + "the Save button again. Otherwise click the Back to List hyperlink."); } catch (DbUpdateException) { ModelState.AddModelError(string.Empty, " An Error Occured, please check the Group name for uniquenee."); } catch (DataException) { ModelState.AddModelError(string.Empty, "Unable to save changes. Try again, and if the problem persists contact your system administrator.");} return View(group); } </code></pre> <p>and I have the following Repository method:-</p> <pre><code>public void InsertOrUpdate(Group group) { if (group.GroupID == default(int)) { // New entity context.Groups.Add(group); } else { // Existing entity context.Entry(group).State = EntityState.Modified; } } </code></pre> <p>Finally on the view i added the following :-</p> <pre><code>@using (Html.BeginForm()) { @Html.ValidationSummary(true) @Html.HiddenFor(model =&gt; model.GroupID) @Html.HiddenFor(model =&gt; model.timestamp) @Html.Partial("_CreateOrEdit", Model) </code></pre> <p>But currently whenever the user tries to edit the object, made the DbUpdateConcurrency is raised. so what might be causing this ? </p>
 

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