A control with ID 'UpdateTimer' could not be found for the trigger in UpdatePanel 'TimedPanel'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: A control with ID 'UpdateTimer' could not be found for the trigger in UpdatePanel 'TimedPanel'.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[InvalidOperationException: A control with ID 'UpdateTimer' could not be found for the trigger in UpdatePanel 'TimedPanel'.]
System.Web.UI.UpdatePanelControlTrigger.FindTargetControl(Boolean searchNamingContainers) +460191
System.Web.UI.AsyncPostBackTrigger.Initialize() +27
System.Web.UI.UpdatePanelTriggerCollection.Initialize() +79
System.Web.UI.UpdatePanel.Initialize() +40
System.Web.UI.UpdatePanel.OnLoad(EventArgs e) +51
System.Web.UI.Control.LoadRecursive() +74
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207