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The Server Method Failed With The Following Error System.invalidoperationexception

It's mapping "localhost/Webservice" to "/WebService" which is not the same thing as the web service is running on a different IIS directory. http://stackoverflow.com/questions/23033614/asp-net-calling-webmethod-with-jquery-ajax-401-unauthorized[^] Permalink Posted 5-Sep-14 0:07am Rajesh_DotNet1.5K Add a Solution Add your solution here B I U S small BIG code Plain TextC++CSSC#Delphi / PascalF#HTML / XML / ASPJavaJavascriptObjective-CSQLPerlPHPPythonVBXMLvar < The way the event hooks up to the Script Manager, it must be in a page. It will not work if method is in User Control or Master page. 2. news

If this assumption is a deliberate one on your part and these conditions are not met, rethrowing or catching the resulting InvalidOperationException is appropriate. Updating a UI thread from a non-UI threadOften, worker threads are used to perform some background work that involves gathering data to be displayed in an application's user interface. As the output from the example shows, the call to the List.Sort() method throws an InvalidOperationException. This exception is raised by method "function Sys$Net$WebServiceProxy$invoke" in file "ScriptResource.axd": function Sys$Net$WebServiceProxy$invoke { . . . { // In debug mode, if no error was registered, display some trace information http://stackoverflow.com/questions/367623/how-do-i-fix-invalidoperationexception-upon-session-timeout-in-ajax-webservice

When I turn javascript off and try to login as I would normally with the login control I am logged in just fine. Absolutely nothing helps! Uncomment these lines in web.config. Read place static method in content page Mark April 24, 2010 # re: Missing PageMethods on an MS AJAX Page?

I've been watching the parameters and the servicePath is "/WebApplication1/Default.aspx", method name is "aaa" and params is "9"... I set the current local user as iis anonymous user. Yes, this happens to me all the time. C#VB Copy private async void DoSomeWork(int milliseconds) { // simulate work await Task.Delay(milliseconds); // Report completion.

Reply eusebiu Member 2 Points 93 Posts Re: Sys.Net.WebServiceFailedException: The server method '' failed with the following error: Aug 09, 2008 03:52 AM|eusebiu|LINK On VS TS 2008 the exception isn't raised... Add following sections if they don't exist under

http://asp.net.bigresource.com/AJAX-PageMethod-and-server-method-failed-error--gYtwIWTKF.html I just took this approach instead.http://www.codeproject.com/KB/aspnet/CallCodeBehindByJS.aspxThis worked great first time and I'm not looking back!

await Task.Delay(milliseconds); // Report completion. C#VB Copy using System; using System.Linq; public class Example { public static void Main() { int[] dbQueryResults = { 1, 2, 3, 4 }; var firstNum = dbQueryResults.FirstOrDefault(n => n > Are assignments in the condition part of conditionals a bad practice? Naveed, thx for info, I didn't know PageMethods can not be used in master page Tim Erwin December 27, 2007 # re: Missing PageMethods on an MS AJAX Page?

However, the Enumerable.SingleOrDefault method still throws an InvalidOperationException exception when the sequence contains more than one element. http://www.aspdotnet-suresh.com/2011/03/microsoft-jscript-runtime-error_22.html Seemed like the client-side proxy code was not being regenerated IAW code mods. No more PageMethods. The Enumerable.SingleOrDefault method also throws an InvalidOperationException exception when the sequence contains more than one element.Note Most of the methods that throw an InvalidOperationException exception are overloads.

I dug through the generated code and found the _staticInstance after the PageMethods..... navigate to this website The following example defines a Person class, stores two Person objects in a generic List object, and attempts to sort them. If it's not possible to decrease data, you can use above solution to fix it. J.

ajax WebServiceFailedException Happy coding! Your Email This email is in use. Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Rick Strahl's Web Log Wind, waves, code and everything in between... http://linuxprofilm.com/the-server/the-server-method-failed-with-the-following-error.html Solution:I have to go through a lot of pain to get pagemethods working.Here are things to check1.

Grewal September 14, 2007 # re: Missing PageMethods on an MS AJAX Page? Regards, David E Reply eusebiu Member 2 Points 93 Posts Re: Sys.Net.WebServiceFailedException: The server method '' failed with the following error: Aug 07, 2008 11:47 AM|eusebiu|LINK Hello... How you handle the issue depends on the specific situation.

Posted in ASP.NETMicrosoft AJAX Tweet The Voices of Reason fran September 14, 2007 # re: Missing PageMethods on an MS AJAX Page?

Consider making a small donation to show your support. once I configured web.config to allow anonymous access to the page vola!! You’ll be auto redirected in 1 second. .NET Framework 4.6 and 4.5 .NET Framework Class Library System System InvalidOperationException Class InvalidOperationException Class InvalidOperationException Class _AppDomain Interface AccessViolationException Class Action Delegate Action(T) Trevor August 28, 2008 # re: Missing PageMethods on an MS AJAX Page?

Cause When you call ASP.Net Web Methods from javascript, it uses serialization and de-serialization of returned objects. function JSMethod(caseId, url) { Sample.XYZ.Method(param1, param2, OnMethodReturn); } function OnMethodReturn(result) { var sessionExpiry = CheckForSessionExpiry(result); var error = CheckForErrors(result); ... I had to use a webservice, although I wanted that functionality in 1 page only, which made sense to use PageMethods. http://linuxprofilm.com/the-server/the-server-method-failed-with-the-following-error-javascript.html foreach (var number in numbers) Console.Write("{0} ", number); Console.WriteLine(); numbers = queryResult.Select(nullableInt => (int) (nullableInt.HasValue ?

Any instance members are not guaranteed to be thread safe. Now the page works everywhere.Cheers, Stu gferreira December 06, 2008 # re: Missing PageMethods on an MS AJAX Page? Then I use this ws in another web app. but that is also not working.

For example, an InvalidOperationException exception is thrown by methods such as: IEnumerator.MoveNext if objects of a collection are modified after the enumerator is created. This error was keeping on occuring what ever.Here's the solution. I had the same problem, PageMethods proxy was not being built at all.It was solved by a clean rebuild of the entire project.Some kind of VS caching issue? really strange, as I had another page that worked just fine in the project.

Amar Nath Satrawala April 11, 2010 # re: Missing PageMethods on an MS AJAX Page? I've implemented Forms authentication and on my Login.aspx page (content pagein a master page)and that works well. Adding an interface implementation to an existing type is not a breaking change.The following example uses this approach to provide an IComparable implementation for the Person class. here is good link to know about jsonp dataType.

The example provides a handler, ThreadsExampleBtn_Click, for the button's Click event. Hello Rick,I saw "PageMethods is undefined" error when my WebMethod was inside user control (even declared as static). For more information, see Changing a collection while iterating it.ResourceSet.GetString if the resource set is closed before the method call is made.XContainer.Add, if the object or objects to be added would The message service checking and processing code now all runs in the service class which is easier to demonstrate separately anyway - once you find it buried in the APP_CODE directory...

I have a page with some [webmethods] in a code behind file. This is old, but I'm going to add my solution here to possibly help save someone time.Adding "using System.Web.Services;" to my masterpage worked for me, even though my scriptmanager had EnablePageMethods="true"