Ajax Handling Error
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Asp Net Ajax Error Handling
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Php Ajax Error Handling
if I want to throw an exception on the server side via Struts by throw new ApplicationException("User name already exists");, I want to catch this message ('user name already exists') in the jQuery AJAX error message. jQuery("#save").click(function () { if (jQuery('#form').jVal()) { jQuery.ajax({ type: "POST", url: "saveuser.do", dataType: "html", data: "userId=" + encodeURIComponent(trim(document.forms[0].userId.value)), success: function (response) { jQuery("#usergrid").trigger("reloadGrid"); clear(); alert("Details saved successfully!!!"); }, error: function (xhr, ajaxOptions, thrownError) { alert(xhr.status); alert(thrownError); } }); } }); On the second alert, where I alert the thrown error, I am getting undefined and the status code is 500. I am not sure where I am going wrong. What can I do to fix this problem? jquery ajax struts custom-exceptions share|improve this question edited Sep 9 '15 at 5:43 Kasun Randika 2,14911635 asked Dec 18 '08 at 12:06 add a comment| 16 Answers 16 active oldest votes up vote 258 down vote Make sure you're setting Response.StatusCode to something other than 200. Write your except
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Ajax Error Handling Best Practices
Event Handlers .ajaxError( handler )Returns: jQuery Description: Register a handler to be called when Ajax requests complete with an error. http://stackoverflow.com/questions/377644/jquery-ajax-error-handling-show-custom-exception-messages This is an Ajax Event. version added: 1.0.ajaxError( handler ) handler Type: Function( Event event, jqXHR jqXHR, PlainObject ajaxSettings, String thrownError ) The function to be invoked. Whenever an Ajax request completes with an error, jQuery triggers the ajaxError http://api.jquery.com/ajaxerror/ event. Any and all handlers that have been registered with the .ajaxError() method are executed at this time. Note: This handler is not called for cross-domain script and cross-domain JSONP requests. To observe this method in action, set up a basic Ajax load request. 1 2 3 <button class="trigger">Triggerbutton><div class="result">div><div class="log">div> Attach the event handler to the document: 1 2 3 $( document ).ajaxError(function() { $( ".log" ).text( "Triggered ajaxError handler." );}); Now, make an Ajax request using any jQuery method: 1 2 3 $( "button.trigger" ).on( "click", function() { $( "div
can handle errors by error handling doing the following: Set the AllowCustomErrorsRedirect property, which determines how the custom error section of the Web.config file is used ajax error handling when an error occurs during an asynchronous postback. Handle the ScriptManager control's AsyncPostBackError event, which is raised when there is a page error during an asynchronous postback. Set the AsyncPostBackErrorMessage property, which is the error message that is sent to the browser. See Also ScriptManager.AllowCustomErrorsRedirect Property ScriptManager.AsyncPostBackError Event ScriptManager.AsyncPostBackErrorMessage Property Send Feedback Copyright © 2002- Telerik. All rights reserved.