<telerik:RadScheduler ID="RadScheduler" Skin="" EnableEmbeddedSkins="false" EnableEmbeddedBaseStylesheet="false" MonthView-HeaderDateFormat="MMMM yyyy" DataKeyField="EventID" DataSubjectField="Subject" DataStartField="Start" DataEndField="End" ReadOnly="true" OnClientAppointmentClick="AppointmentClick" OnNavigationComplete="RadScheduler_NavigationComplete" runat="server"></telerik:RadScheduler>I am getting javascript Error “Error: Sys.WebForms.PageRequestManagerServerErrorException: Object reference not set to an instance of an object.”
When I use RadAjaxManager inside RadGrid’s EditFormSettings
<telerik:RadGrid
<MasterTableView
<EditFormSettings
<FormTemplate>
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
<AjaxSettings>
<telerik:AjaxSetting AjaxControlID="RadComboBox1" EventName="RadComboBox1_SelectedIndexChanged">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="RadComboBox2" />
</UpdatedControls>
</telerik:AjaxSetting>
</AjaxSettings>
</telerik:RadAjaxManager>