programming ajax asp.net

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ASP.NET AJAX Library: When they say exact signature, they mean EXACT SIGNATURE

Here is a little gotcha to look out for when using ASP.NET AJAX Library controls, such as the AutoComplete control. For any control that makes a call to a web service, the web service must have the EXACT signature listed for the call...to the point that even the parameter names and case of said parameter names must match EXACTLY. This tripped me up, as my controls were not calling my web service (with no error message or feedback as well) because I called the first parameter "String prefix" instead of "String prefixText".

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