Module Is Not Working

Imports Microsoft.VisualBasic Public Module MyModule Sub ShowMessage(message As String) ClientScriptManager.RegisterStartupScript(Me.GetType(), "Popup", "ShowPopup('" + message + "');", True) End Sub End Module         ClientScriptManager.RegisterStartupScript(Me.GetType(), "Popup", "ShowPopup('" + message + "');", True)
I am Getting Error On This Point Why I Can't Able To Understand.