Page_Unload關閉資料釋放記憶體

Protected Sub Page_Unload(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Unload

        objcmd.Dispose()
        objcmd = Nothing

   

        objcon.Close()
        objcon.Dispose()
        objcon = Nothing
        GC.Collect(0, System.GCCollectionMode.Forced)

    End Sub