protected void rptDNCN_ItemCommand(object source, RepeaterCommandEventArgs e)
 {
     if (e.CommandName == "CapNhat")
     {
         RepeaterItem       t            = e.Item;
         Label              lblIDDacTinh = t.FindControl("lblID_DacTinh") as Label;
         TextBox            txtNoiDung   = t.FindControl("txtNoiDung") as TextBox;
         int                ID_ThiNghiem = Convert.ToInt32(lblID_ThiNghiem.Text);
         int                ID_DacTinh   = Convert.ToInt32(lblIDDacTinh.Text);
         string             NoiDung      = txtNoiDung.Text;
         string             ND           = Session["TenHienThi"].ToString();
         DAO.clsNhapLieuDAO NLDAO        = new DAO.clsNhapLieuDAO();
         NLDAO.updateNhapLieu_DNCN(ID_ThiNghiem, ID_DacTinh, NoiDung, ND);
         rptDNCNBind(ID_ThiNghiem);
     }
 }