DynamicPopulateExtender: Web Service call failed: 12152, Web Service call failed: 12031


I'm using a DynamicPopulateExtender to take the value of a SELECT dropdown and pass it to an onpage web service (defined with <System.Web.Services.WebMethod()> _ '<System.Web.Script.Services.ScriptMethod()>) and as PUBLIC SHARED FUNCTION myfunction(contextKey as string) as string. The function returns the html for a listbox.

Everything seems to fire properly on the client but when the web service is called by the Javascript function, I get Web Service call failed: 12152 or Web Service call failed: 12031

Any pointers would be appreciated. 

2/13/2007 4:01:53 PM
asp.net.ajax_control_toolkit 17816 articles. 1 followers. Follow

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Download and install Fiddler [http://fiddlertool.com/fiddler/] as this will allow you to inspect the request in more detail to see the exception that is occuring.  If you are using VS2005 debugging, you will need to fudge the url as http://localhost.:port/YourWebsite (note the extra "." after localhost), otherwise Fiddler will not capture traffic for the site.


2/13/2007 8:35:44 PM

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