Вы можете попробовать это
Public Sub CB_CheckChanged(sender As Object, e As EventArgs)
line of code;
End Sub
Protected Sub GV_RowDataBound(sender As Object, e As GridViewRowEventArgs) Handles GV.RowDataBound
CB_CheckChanged(Nothing, Nothing)
End Sub
Если событие не обрабатывает какую-либо задачу, Вы можете использовать
Public Sub CB_CheckChanged()
line of code;
End Sub
Protected Sub GV_RowDataBound(sender As Object, e As GridViewRowEventArgs) Handles GV.RowDataBound
CB_CheckChanged()
End Sub