protected void modUpdateCommand(Object sender, GridViewUpdateEventArgs e)
        {
            Label lblDivisionIDEdit = (Label)GridView1.Rows[e.RowIndex].FindControl("lblDivisionIDEdit");
            TextBox txtDivisionNameEdit = (TextBox)GridView1.Rows[e.RowIndex].FindControl("txtDivisionNameEdit");
            DropDownList ddlCampusIDEdit = (DropDownList)GridView1.Rows[e.RowIndex].FindControl("ddlCampusIDEdit");
            DropDownList ddlFacultyIDEdit = (DropDownList)GridView1.Rows[e.RowIndex].FindControl("ddlFacultyIDEdit");

            ClassDivision d = new ClassDivision(Convert.ToInt32(lblDivisionIDEdit.Text)
                , txtDivisionNameEdit.Text
                , Convert.ToInt32(ddlCampusIDEdit.SelectedValue)
                , Convert.ToInt32(ddlFacultyIDEdit.SelectedValue));

            if (d.CheckUseDivisionName())
            {
                d.UpdateDivision();
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('อัพเดทข้อมูลเรียบร้อย')", true);
                GridView1.EditIndex = -1;
                BindData1();
            }
            else
            {
                ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('ข้อมูลที่จะอัพเดท มีอยู่ในระบบแล้ว !')", true);
            }
        }