Ajax Control Toolkit.CascadingDropDown ( Error)
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Hi, I an getting this error at runtime: "Object reference not set to an instance of an object." And the Stack Trace: "[NullReferenceException: Object reference not set to an instance of an object.] AjaxControlToolkit.CascadingDropDown.CascadingDropDown_ClientStateValuesLoaded(Object sender, EventArgs e) +98 AjaxControlToolkit.ExtenderControlBase.LoadClientStateValues() +240 AjaxControlToolkit.ExtenderControlBase.Page_PreLoad(Object sender, EventArgs e) +5 System.EventHandler.Invoke(Object sender, EventArgs e) +0 System.Web.UI.Page.OnPreLoad(EventArgs e) +75 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3368 All help aprreciated, Thanks
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Hi, I an getting this error at runtime: "Object reference not set to an instance of an object." And the Stack Trace: "[NullReferenceException: Object reference not set to an instance of an object.] AjaxControlToolkit.CascadingDropDown.CascadingDropDown_ClientStateValuesLoaded(Object sender, EventArgs e) +98 AjaxControlToolkit.ExtenderControlBase.LoadClientStateValues() +240 AjaxControlToolkit.ExtenderControlBase.Page_PreLoad(Object sender, EventArgs e) +5 System.EventHandler.Invoke(Object sender, EventArgs e) +0 System.Web.UI.Page.OnPreLoad(EventArgs e) +75 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3368 All help aprreciated, Thanks
check you have to create the object first. somewhere u missing the creating the object. send me the code Regards Keyur Satyadev