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POJQuery Popup from MVC controller
 

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    <p>I’m just starting to explore asp mvc and jquery.</p> <p>I have a simple form that has 2 fields, a Date and an Amount.</p> <p>The behaviour I am trying to achieve is that when the form is submitted, if the record doesn't already exist in my database then add the item. If it does already exist then warn and ask the user for confirmation. If the user proceeds then overwrite the existing record. </p> <p>Here is my Mark Up</p> <pre><code>&lt;% using (Html.BeginForm()) { %&gt; &lt;div&gt; &lt;%:Html.LabelFor(mod =&gt; Model.bal.Date) %&gt; &lt;/div&gt; &lt;div&gt; &lt;%: Html.TextBoxFor(mod =&gt; Model.bal.Date)%&gt; &lt;%:Html.ValidationMessageFor(mod =&gt; Model.bal.Date)%&gt; &lt;/div&gt; &lt;div&gt; &lt;%: Html.LabelFor(mod =&gt; Model.bal.Amount)%&gt; &lt;/div&gt; &lt;div&gt; &lt;%: Html.TextBoxFor(mod =&gt; Model.bal.Amount)%&gt; &lt;%: Html.ValidationMessageFor(mod =&gt; Model.bal.Amount)%&gt; &lt;/div&gt; &lt;p&gt; &lt;input type="submit" value="Create" /&gt; </code></pre> <p>And here is my controller code</p> <pre><code> [HttpPost] public ActionResult Index(Balance bal) { var dataContext = new DataDataContext(); if (ModelState.IsValid) { // Check if exsists if (dataContext.Balances.ToList().Contains(bal, new BalanceEquality())) { //Exsists, Warn then edit // Add code here to open popup // if Continue then over write exsisting data in db } else { //Not exsist, insert dataContext.Balances.InsertOnSubmit(bal); dataContext.SubmitChanges(); } } compModel myModel = new compModel(); myModel.bal = bal; myModel.allBalances = dataContext.Balances.OrderBy(ball =&gt; ball.Date).ToList(); return View(myModel); } </code></pre> <p>The problem I have is how to display and get the results from a Jquery Popup from within my Controller. </p> <p>I thought about setting a variable in the ViewData collection, but this didn't seem like "best Practice" to me </p> <p>Thanks</p>
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    1. USDavid Kethel
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    1. COmaybe use an ajax form here - you don't want to be submitting the form, then showing a confirmation (client-side), then submitting again. poor UX IMO. also, how can a record already "exist"? What fields are unique?
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    2. COAre you looking for an AJAX solution to this, or do you want to submit the form twice - first submit it checks for uniqueness, if it's unique it goes ahead and creates the record, if not then it re-displays the form with the warning message, if the user submits the second time it creates the record.
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    3. COconcerning the popup you could look here http://mrgsp.md:8080/awesome/popupformdemo
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