protected void Page_Load(object sender, EventArgs e)
        {
            dto.TieuDe  = title.Text;
            dto.TomTat  = tomTat.Text;
            dto.NoiDung = content.Text;
            BaiVietBUS bvBus = new BaiVietBUS();
            int        idBV  = Int32.Parse(Request.QueryString["Id"].ToString());
            DataTable  da    = bvBus.TimBaiViet(idBV);

            title.Text   = da.Rows[0].Field <string>(0);
            tomTat.Text  = da.Rows[0].Field <string>(1);
            content.Text = da.Rows[0].Field <string>(2);
            filename     = da.Rows[0].Field <string>(3);
        }
        protected void Unnamed1_Click(object sender, EventArgs e)
        {
            Boolean check = false;

            int maTin = Int32.Parse(Request.QueryString["Id"].ToString());

            if (FileUpload1.FileName != "")
            {
                dto.LinkAnh = "~/images/" + FileUpload1.FileName;
            }
            else
            {
                dto.LinkAnh = filename;
            }
            BaiVietBUS bv = new BaiVietBUS();

            check = bv.EditBaiViet(maTin, dto.TieuDe, dto.TomTat, dto.NoiDung, dto.LinkAnh);
            if (check)
            {
                SaveFileUpload();
                Response.Write("<script>alert('Sửa thành công')</script>");
                Response.Redirect("QLBaiViet.aspx");
            }
        }