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POjquery $.post error when called from Bootstrap Modal
 

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  1. POjquery $.post error when called from Bootstrap Modal
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    <p>In a web app I am developing I display a Modal dialog using Bootstrap. Within that dialog I have form elements and a save button. When the user clicks save I fire a function which calls $.post to invoke an asp.net mvc action to save the data entered.</p> <p>The browser (Chrome) displays the following message when I click the Save button:</p> <blockquote> <p>"Something Unexpected Happened :(....." . </p> </blockquote> <p>After confirming the error message the asp.net action is invoked and the rest of the script completes fine. I also see the same error if I use $.ajax. </p> <p>IE gives slightly different behaviour. Isee the same message in IE but it appears after the success callback function completes.</p> <p>If I call the save function from outside the modal dialog I do not see this error message. </p> <pre><code>function saveUser() { var userId = $('#userId').val(); var fullName = $('#fullName').val(); var userName = $('#userName').val(); var isAdmin = $('#isAdmin').is(':checked'); var authenticationMode = $('#userAuthenticationMode').val(); $.post( "@Url.Action("Save", "Account")", { userId : userId, fullName : fullName, userName : userName, isAdmin : isAdmin, authenticationMode : authenticationMode }, function (data) { if (data.Success) { alert("success"); } else { alert("failed"); } } ); </code></pre> <p>Here is the modal declaration:</p> <pre><code>&lt;div id="update_user_modal" class="modal hide"&gt; . . . &lt;div style="float:right"&gt; &lt;button id="SaveUser" class="btn btn-primary"&gt;Save changes&lt;/button&gt; &lt;/div&gt; &lt;/div&gt; </code></pre> <p><strong>Update:</strong></p> <p>Found the source of the alert message. There's an ajax error handler in the code which a colleague failed to mention:</p> <pre><code>// Set up AJAX error handling ... $(document).ajaxError(function (event, jqXHR, ajaxSettings, thrownError) { if (jqXHR.status == 404) { $("#NotFoundInfoDialog").dialog("open"); } else if (jqXHR.status == 500) { $("#InternalServerErrorDialog").dialog("open"); } else { alert("Something unexpected happend :( ..."); } }); </code></pre> <p>Any ideas on how I can debug the ajax error. jqXHR.status returns 0. </p> <p><strong>Update</strong> When I use $.ajax to make an ajax call the following occurs: <br> First time I attempt to save an unknown ajax exception is raised and the modal closes. <br> If I display the modal again and attempt to Save it works fine. <br> If I know try to display the modal again and save I get an 'Internal Server error'. My mvc action is working fine. </p> <p><strong>Update</strong> Have no idea why but removing the form tags in the modal div solved the problem.</p> <p>Thanks,</p> <p>Lance</p>
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    1. COCan't seem to get back on info on the ajax error. The thrownError param is blank and the status code is 0. My asp.net mvc action is not throwing any exception.
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    2. CORemoving the <form> element from the modal resolved the problem.....
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