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POAjax.BeginForm Update unique div id in For Loop
 

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    <p><strong>Update</strong> I ended up just using Session Variables to pass in the values to the Ajax.BeginForm block. It's a hack that I didn't want to use, but I just couldn't find another way...</p> <p><strong>Original Post</strong> I am using a For Loop that assigns each comment div in the loop a unique id like:</p> <pre><code>&lt;div id="comment@(feedModel.PostID)"&gt;&lt;/div&gt; </code></pre> <p>EX:</p> <p>comment1</p> <p>comment2</p> <p>comment3</p> <p>Each one of these div's has an Ajax.BeginForm with a input submit button. I want to set the UpdateTargetId AjaxOption, but I can't because each id is unique. So UpdateTargetId = "div" won't work. I can't just pass in the model or TempData becasue this is Ajax.BeginForm. So how do I pass in the feedModel.PostID?</p> <p>Code:</p> <pre><code>@foreach (Website.Models.FeedModel feedModel in Model) { &lt;span id="commentspan@(feedModel.PostID)" style="margin-top:5px; display:block; font-weight:bold"&gt;&lt;a href="#" onclick="loadPartialView(@feedModel.PostID); return false;"&gt;Comments(@feedModel.Replies)&lt;/a&gt;&lt;/span&gt; &lt;div id="comments@(feedModel.PostID)"&gt;&lt;/div&gt; </code></pre> <p>}</p> <p>The Javascript that is called:</p> <pre><code> function loadPartialView(context) { method HomeController._Comments $('#comments' + context).load('Home/_Comments/' + context); } </code></pre> <p>Inside that PartialView</p> <pre><code>@if (Request.IsAuthenticated) { &lt;div class="childpost"&gt; @using (Ajax.BeginForm("SubmitChildPost", "Home", new AjaxOptions { UpdateTargetId = "comments@TempData['feedModelID'].ToString()" }, new { id = @TempData["feedModelID"].ToString() })) { @Html.TextArea("MessageBox", "", 2, 50, null) &lt;br /&gt; &lt;p&gt; @Html.AntiForgeryToken() &lt;input type="submit" value="Reply" class="replybutton" /&gt; &lt;/p&gt; } &lt;/div&gt; } </code></pre> <p>Which posts to the Action. The string id is null because you can't pass Model values or Temp Data to the Ajax.BeginForm so I'm not sure what to do...</p> <pre><code>[ValidateAntiForgeryToken] public ActionResult SubmitChildPost(FormCollection formValue, string id) { string message = formValue["MessageBox"].ToString(); if (message != "") { MessageRepository.UpdatePostReply(Convert.ToInt32(id)); MessageRepository.SaveChildPost(message, id, User.Identity.Name); } return RedirectToAction("_Comments", "Home", new { ID = id}); } </code></pre>
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    1. COFYI, for future reference, putting a hyphen in front of the @ works "comments-@(feedModel.PostID)". Run across this all the time.
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      1. USAndrew Grothe
 

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