Ajax Form Error Handling
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Ajax Error Handling Javascript
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Ajax Error Handling Best Practices
4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Detecting error reponse with jQuery Form plugin (ajaxForm) up vote 2 down vote favorite 1 I'm using the
Jquery Ajax Error Handling Show Custom Exception Messages
jQuery Form plugin to ajaxify a file upload control. I'm returning html which I want to load into a div. I'm having trouble detecting the error condition. I have the following ASP.NET MVC controller method: public ActionResult UploadDocument(int id) { try { // ...blah } catch(Exception e) { // log e // these two lines are what I can't get working Response.StatusCode = (int)HttpStatusCode.InternalServerError; return null; } return PartialView("blah", model); } and in datatables ajax error handling jQuery $documentForm.ajaxForm({ beforeSubmit: function() { ... }, success: function(response, status, xhr) { if (status == "error") { // this doesn't work, status is still "success" } if (!response || response == '') { // this doesn't work either, as the html response // seems to get wrapped in a
tag } // this line is fine if the controller call was a success $container.find('.documentHistory').html(response); } How can I alert the client of an error from my server response? jquery asp.net-mvc error-handling httpresponse ajaxform share|improve this question asked Dec 8 '10 at 17:19 fearofawhackplanet 18.1k36113220 add a comment| 2 Answers 2 active oldest votes up vote 3 down vote accepted fear, here's my amended implementation of the jquery ajaxform plugin: (function($) { $.fn.ajaxify = function(options) { // Defaults and options var defaults = { method: '', action: '', dataType: null, // i.e. json, jsonp etc target: null, // target div for ajax return data errordiv: null, // callback functions onBeforeSend: function() { }, onSubmit: function() { return true }, onSuccess: function() { }, onError: function() { } }; var opts = $.extend({}, defaults, options); this.each(function() { $(this).bind('submit', function(event) { event.preventDefault(); // Increase readability && scope FORM = $(this); // Mimic the normal onSubmit handler if (!opts.onSubmit.call(FORM[0])) { return; } // Determine the method &&here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings xml error handling and policies of this site About Us Learn more about Stack Overflow jquery ajaxform error the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation jquery form plugin error Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it http://stackoverflow.com/questions/4390319/detecting-error-reponse-with-jquery-form-plugin-ajaxform only takes a minute: Sign up jQuery Ajax error handling, show custom exception messages up vote 522 down vote favorite 189 Is there some way I can show custom exception messages as an alert in my jQuery AJAX error message? For example, if I want to throw an exception on the server side via Struts by throw new ApplicationException("User name http://stackoverflow.com/questions/377644/jquery-ajax-error-handling-show-custom-exception-messages 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 exception's message using Response.Write, then use... xhr.responseText ..in your javascript. share|improve this answer answered Jan 16 '09 at 14:25 Sprintstar 4,74132544 6 This is still the correct way of doing this after 2 years
Client.new, remote: true do |form| = form.text_field :name This http://stefan.magnuson.co/articles/rails/simpler-handling-of-ajax-form-errors-in-rails-4/ will cause our form to submit asynchronously, and expect a Javascript response, which https://scotch.io/tutorials/submitting-ajax-forms-with-jquery will be executed directly to e.g. update the page appropriately. DHH recommends that we design our apps in this manner, where in the Javascript response we re-render the model using its template and use jQuery to update the HTML on the page. This method has the advantage of using error handling the same template for both initial page generation and updates, which if used carefully can result in an easy and unobtrusive way to make your app allow for asynchronous interaction. One downside however is that every page containing a form for this action which uses remote: true must be happy to accept the same Javascript response, i.e. that Javascript needs to ajax error handling make sense in all contexts. We could start to put conditional logic in the Javascript response to handle other cases but this would get unwieldy quickly–overall it would seem best to only use this approach when the model in question is to always be represented in the same manner, with the same kind of interaction, wherever it appears. Rails was initially extracted from Basecamp and DHH generally evaluates new Rails development from the perspective of what it will mean for Basecamp. This pattern of Server-generated Javascript Responses being used to enable remote forms is a pattern that fits Basecamp well. If your app is very similar to Basecamp then not only will this pattern likely serve you well, the rest of Rails will too. In my case, I am currently working on a system that doesn’t fit so neatly into the Basecamp mould. In today’s example I have a case where on one page I want to show the full form for the creation of a Client object (with around 10 fields), and on another page a minimal form with only 4 field
Foundation WordPress LESS Sass JavaScript From Scotch.io From The Pub What's Hot Getting Started with Vue.js Getting Started with Vue.js Login / Sign Up Write a Post More Code ajax forms javascript jquery Submitting AJAX Forms with jQuery Chris Sevilleja Jan 08, 2014 Tutorials Comments 0 Code Lately I've noticed from looking through our Google Analytics and our search popularity, we have been coming up a lot for AJAX Forms. Now we have this other article, Submitting AJAX Forms: The AngularJS Way. That seems to be why people find us when searching for AJAX forms, but the Angular way just isn't the way they want. Today we'll be looking at AJAX forms, the non-Angular way and using jQUery. This is to hopefully help those people coming to our site and looking for something other than the Angular version. What We'll Build There are a few basic requirements usually asked from forms. We want: Process a form without a page refresh using AJAX Client side validation Server side validation (validation from the PHP side) Showing a processing icon while our form is… processing Showing errors if there are any Showing success if the form is submitted correctly Getting Started Let's get started processing our form. We will need three different things for this: A way to process the form (we'll be using PHP, but you can use anything you want) A view to show the form The JavaScript and AJAX (jQuery flavored) to make it all work Processing the Form process.php This will be the easiest part. Since we're using PHP, we can just create a simple script to process our form. Let's call it process.php (clever I know), and make the code for that. We will provide support to send back JSON data (which is what our JavaScript code will be processing after our PHP or any server side code sends back information). We will also send back errors and error messages in the data that we send back. We will just check to see if a variable exists or not. There are many more