สอบถาม Event ASP.NET GridView Control - RowCommand

    Sub grdUpdate(ByVal o As Object, ByVal e As DataGridCommandEventArgs)
        'g the data from datagrid column "1"(First column on datagrid is zero) per row as user click and fill on txtbox txtName
        txtid.Text = e.Item.Cells(1).Text
        txtUsername.Text = e.Item.Cells(2).Text ' รับค่าจาก gridUpdate มาแสดงที่หน้า pageload
        txtPassword.Text = e.Item.Cells(3).Text
        txtFullname.Text = e.Item.Cells(4).Text
        ddlDept.SelectedItem.Text = e.Item.Cells(5).Text
        ddlpermition.SelectedItem.Text = e.Item.Cells(6).Text
        Me.Image1.ImageUrl = e.Item.Cells(7).ToString
    End Sub