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500 Internal Server Error When Calling Web Service

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Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a failed to load resource: the server responded with a status of 500 (internal server error) minute: Sign up jQuery: Ajax call to asp.net webservice fails, server return 500 error up vote 3 down vote favorite Ok, so I created a test project just to verify that jQuery AJAX works with asp.net service, and it does no problems. I used a default HelloWorld service created in VS studio. I am calling the service via jQuery like this: fiddler in Default.aspx: in TestService.asmx using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; namespace WebServiceTestWitJQuery { ///

/// Summary description for TestService /// [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. [System.Web.Script.Services.ScriptService] public class TestService : System.Web.Services.WebService { [WebMethod] public string HelloWorld() { return "Hello World"; } } } I then proceeded and copied everything exactly as it is in my project and it does not work. I get a 500 server error. I verified following: web.configs identical pages identical service class identical jquery ajax call identical I can navigate to http://localhost:3272/TestService.asmx?op=HelloWorld and webservice works fine. What else? asp.net ajax jquery share|improve this question asked Jan 8 '10 at 13:53 epitka 8,1471457106 add a comment| 5 Answers 5 active oldest votes up vote 2 down vote accepted Figu

ASP.NET Community Standup Forums Help Home/ASP.NET Forums/Advanced ASP.NET/WCF, ASMX and other Web Services/calling web service from jquery is giving internal server error calling web service from jquery is giving internal server error [Answered]RSS 2 replies Last post Sep 03, 2012 12:58 AM by Arshad Ashraf ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts http://stackoverflow.com/questions/2027960/jquery-ajax-call-to-asp-net-webservice-fails-server-return-500-error Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply shivalthakur Participant 1125 Points 563 Posts calling web service from jquery is giving internal server error Sep 01, 2012 02:25 AM|shivalthakur|LINK Here is the code script function callWebService() { var pageUrl = '~/TSSWebServices.asmx'; // http://forums.asp.net/t/1839497.aspx?calling+web+service+from+jquery+is+giving+internal+server+error var u = pageUrl + "/" + web_service_Methodname; //alert(u); $.ajax({ type: "POST", // url: pageUrl + "/"+web_service_Methodname, url: "~/TSSWebServices.asmx/Get_Vendor_Offices", data: '{}', //unique_id, contentType: "application/json; charset=utf-8", dataType: "json", success: OnSuccess, error: OnErrorCall }); } function OnSuccess(result) { alert('a'); ////Create a div element to show result var div = $('

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'); $(document).add(div); } function OnErrorCall(result) { alert(result.statusText);////////Inernal Server error } Why am i getting this error if(Hard_Work && Luck) Response.Write("Success"); Best Of Luck Shival Thakur Reply oak_silver Member 290 Points 62 Posts Re: calling web service from jquery is giving internal server error Sep 03, 2012 12:49 AM|oak_silver|LINK Take a look at a blog http://www.codeproject.com/Articles/349598/Introduction-to-using-jQuery-with-Web-Services You can use fiddler to get the detail error message. Please mark it as answer if it helps. Reply Arshad Ashra... Member 495 Points 182 Posts Re: calling web service from jque

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for Marketers Send Email with Username and Password March 23, 2015 Fix TeamCity failing to clone or pull from Git January 13, 2015 Categories Ajax (9) ASP.NET (42) C# (54) Continuous Integration (1) IoC (1) JavaScript (17) Jenkins (1) jQuery (13) Linq (13) Misc (1) MongoDB (5) MVC (18) Personal (11) Silverlight (9) Sitecore (7) TeamCity (1) Visual Studio 2008 (3) WCF (5) Xbox 360 (1) XML (1) Download source Making ajax calls to an ASP.NET web service using jQuery is too easy.  In this post I'll explain how to do it! Start by creating a new web project and adding a new ASMX web service: Open the new web service and uncomment the following line to allow the web service to be called from script. [System.Web.Script.Services.ScriptService] The web service should already have a method called HelloWorld; first I will use jQuery to call this method.  Create a new page and add a reference to the jQuery library.  Add a button and a label to the form; when the button is clicked I will call the web service and display the result in the label.  My form looks like this:

   
                    You can see I've set the OnClientClick property of the button to call a JavaScript function called CallService which I will implement in a moment. I have set the text of my label to a non breaking space and set the width to 100%. This is because I will add a CSS class to the label while calling my web service to show an ajax loader.  Here is the CSS class: .loading {  background-image: url('ajax-loader.gif');  background-repeat: no-repeat; } Finally I need to add the jQuery:  
 

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