Server Error in '/' Application.

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ok..  I turn on allow partial renderng for that control..  and at least I can use it except...

I wonder if this ajax was testing with any other ajax during testing...

DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 936a195a-d19b-4f1a-9df7-c942ace66cf0
InnerException: Ambiguous match found.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.RuntimeType.GetMethodImpl
StackTrace:
Message: DotNetNuke.Services.Exceptions.PageLoadException: Ambiguous match found. ---> System.Reflection.AmbiguousMatchException: Ambiguous match found. at System.RuntimeType.GetMethodImpl(String name, BindingFlags bindingAttr, Binder binder, CallingConventions callConv, Type[] types, ParameterModifier[] modifiers) at System.Type.GetMethod(String name, BindingFlags bindingAttr) at Telerik.RadCalendarUtils.RadControl.RegisterClientScriptResource(Type type, String scriptResourceName) at Telerik.RadCalendarUtils.RadControl.RenderScriptFiles() at Telerik.RadCalendarUtils.RadControl.Page_PreRenderComplete(Object sender, EventArgs e) at System.EventHandler.Invoke(Object sender, EventArgs e) at System.Web.UI.Page.OnPreRenderComplete(EventArgs e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---

other ajax implementations have always co-existed..

the good news is I just need to upgrade to the latest Telerik code... 

so if you are using ajax outside of dnn...

1.   turn on the ajax option for that module

2.  upgrade to latest ajax model  ( for telerik, the latest co-exists with MS AJAX just fine)