Web Service calling – Microsoft AJAX Library and ASP.NET 2.0 AJAX Extensions
The calling parameters for calling a web service have changes somewhat in the new build. Assuming that a web service has the calling signature of:
MethodName(int p1, string p2, bool p3) in C# with a Class of ClassName, the javascript calling sequence would be
ClassName.MethodName(p1, p2, p3, OnComplete[, OnFailure[, UserContext]]);
Originally pulled from: http://morewally.com/cs/blogs/wallym/archive/2006/10/20/429.aspx