protected void btnInsert_Click(object sender, EventArgs e)
        {
            //try
            //{
            string app_id = ddlApp.SelectedValue;
            string path   = txtPath.Text;

            PathClass path_obj = new PathClass();
            string    result   = path_obj.CreatePath(app_id, path);

            if (result != "")
            {
                Response.Write("<script>alert('Insert thành công.');window.location.href='" + view_ctrl + "';</script>");
                Response.End();
            }
            else
            {
                Response.Write("<script>alert('Insert không thành công.');window.location.href='" + add_ctrl + "';</script>");
                Response.End();
            }

            //}
            //catch (Exception ex) { ex.ToString(); }
        }