public List<CAUHOIKHAOSAT> SelectCAUHOIKHAOSATsAll()
        {
            List<CAUHOIKHAOSAT> list = new List<CAUHOIKHAOSAT>();
            using (LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString))
            {
                ISingleResult<CAUHOIKHAOSAT_getallResult> lp = db.CAUHOIKHAOSAT_getall();
                foreach (CAUHOIKHAOSAT_getallResult CAUHOIKHAOSAT in lp)
                {
                    CAUHOIKHAOSAT var1 = new CAUHOIKHAOSAT();
                    var1.MaCauHoiKhaoSat  = CAUHOIKHAOSAT.MaCauHoiKhaoSat ;
                    var1.NoiDung  = CAUHOIKHAOSAT.NoiDung ;
                    var1.BiKhoa  = CAUHOIKHAOSAT.BiKhoa ;

                    list.Add(var1);
                }
                try
                {
                    // Save the changes.
                    db.SubmitChanges();
                }
                // Detect concurrency conflicts.
                catch (ChangeConflictException)
                {
                    // Resolve conflicts.
                    db.ChangeConflicts.ResolveAll(RefreshMode.KeepChanges);
                }
            }

            return list;
        }
        protected void btnThem_Click(object sender, EventArgs e)
        {
            try
            {
                //lay thong tin tu textbox
                CAUHOIKHAOSAT lpDTO = new CAUHOIKHAOSAT();
                lpDTO.MaCauHoiKhaoSat = int.Parse(txtmacauhoikhaosat.Text);
                lpDTO.NoiDung = txttieude.Text;
                lpDTO.BiKhoa = Convert.ToBoolean(txtlock.Text);

                //Goi ham cap nhat
                BUSCauHoiKhaoSat BUSCauHoiKhaoSat = new BUSCauHoiKhaoSat();
                if (BUSCauHoiKhaoSat.Them(lpDTO) == 0)
                {
                    //Thong bao
                    lbThongBao.Text = "Thêm Thành Công";
                    lbThongBao.Visible = true;
                    //Response.Redirect("LoaiMatHang.aspx");
                }
                else
                {
                    lbThongBao.Text = "Thêm Không Thành Công";
                    lbThongBao.Visible = true;
                }
            }

            catch
            {
                lbThongBao.Text = "Thêm Không Thành Công";
                lbThongBao.Visible = true;
            }
        }
        protected void LoadKhaosat()
        {
            BUSCauHoiKhaoSat BUSCauHoiKhaoSat = new BUSCauHoiKhaoSat();
            CAUHOIKHAOSAT CAUHOIKHAOSAT = new CAUHOIKHAOSAT();
            CAUHOIKHAOSAT = BUSCauHoiKhaoSat.layCauHoiKhongKhoa();
            MaCauHoi = CAUHOIKHAOSAT.MaCauHoiKhaoSat;
            if (CAUHOIKHAOSAT != null)
            {
                lbCauHoi.Text = CAUHOIKHAOSAT.NoiDung;

                BUSDapAnKhaoSat BUSDapAnKhaoSat = new BUSDapAnKhaoSat();
                List<DAPANKHAOSAT> listDA = new List<DAPANKHAOSAT>();
                listDA = BUSDapAnKhaoSat.layDapAnTheoMaCauHoi(CAUHOIKHAOSAT.MaCauHoiKhaoSat);

                rblistDanhSachDapAn.DataSource = listDA;
                rblistDanhSachDapAn.DataTextField = "NoiDung";
                rblistDanhSachDapAn.DataValueField = "MaDapAn";

                rblistDanhSachDapAn.DataBind();
            }
            else
            {
                rblistDanhSachDapAn.Visible = true;
                btSubmit.Visible = true;
            }

               // rblistDanhSachDapAn.Items[0].Selected = true;
        }
 public int CapNhat(CAUHOIKHAOSAT lpDTO)
 {
     try
     {
         LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString);
         db.CAUHOIKHAOSAT_update(
             lpDTO.MaCauHoiKhaoSat,
             lpDTO.NoiDung,
             lpDTO.BiKhoa
             );
         db.SubmitChanges();
         return 0;
     }
     catch (Exception ex)
     {
         throw (ex);
     }
 }
 public int Them(CAUHOIKHAOSAT lpDTO)
 {
     try
     {
         LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString);
          db.CAUHOIKHAOSAT_add(
             lpDTO.NoiDung ,
             lpDTO.BiKhoa
             );
          return 1;
     }
     catch
     {
         return 0;
     }
 }
 public int Them(CAUHOIKHAOSAT lpDTO)
 {
     DAOCauHoiKhaoSat CAUHOIKHAOSAT = new DAOCauHoiKhaoSat();
     return CAUHOIKHAOSAT.Them(lpDTO);
 }
 public int CapNhat(CAUHOIKHAOSAT lpDTO)
 {
     DAOCauHoiKhaoSat CAUHOIKHAOSAT = new DAOCauHoiKhaoSat();
     return CAUHOIKHAOSAT.CapNhat(lpDTO);
 }