コード例 #1
0
 /// <summary>
 /// khoi tao gia tri
 /// </summary>
 public ThongTinHoaDonNhap()
 {
     dh = null;
     Sql = null;
     conn = null;
     cmd = null;
     arr = null;
     dr = null;
     hoadonnhap = null;
     cn = null;
 }
コード例 #2
0
 /// <summary>
 /// khoi tao gia tri
 /// </summary>
 public ThongTinHoaDonNhap()
 {
     dh         = null;
     Sql        = null;
     conn       = null;
     cmd        = null;
     arr        = null;
     dr         = null;
     hoadonnhap = null;
     cn         = null;
 }
コード例 #3
0
 /// <summary>
 /// khoi tao gia tri
 /// </summary>
 public ThongTinDatHang()
 {
     dh         = null;
     Sql        = null;
     conn       = null;
     cmd        = null;
     arr        = null;
     dr         = null;
     dondathang = null;
     cn         = null;
 }
コード例 #4
0
 /// <summary>
 /// khoi tao gia tri
 /// </summary>
 public ThongTinDatHang()
 {
     dh = null;
     Sql = null;
     conn = null;
     cmd = null;
     arr = null;
     dr = null;
     dondathang = null;
     cn = null;
 }
コード例 #5
0
 /// <summary>
 /// hungvv lay thong tin don dat hang tra lai nha cung cap
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayDonDatHangNhaCungCap()
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         Sql = new Constants.Sql();
         string sql = "exec sp_LayDonDatHangNhaCungCap";
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         dr   = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr  = new ArrayList();
         while (dr.Read())
         {
             dondathang            = new Entities.ThongTinDatHang();
             dondathang.MaHangHoa  = dr[0].ToString();
             dondathang.TenHangHoa = dr[1].ToString();
             string soluong  = dr[2].ToString();
             string giagoc   = dr[3].ToString();
             string phantram = dr[4].ToString();
             string tong     = "0";
             if (phantram == "0")
             {
                 tong = (Double.Parse(giagoc) * Double.Parse(soluong)).ToString();
             }
             else
             {
                 tong = ((Double.Parse(soluong) * Double.Parse(giagoc)) - ((Double.Parse(phantram) / 100) * Double.Parse(giagoc))).ToString();
             }
             dondathang.GiaNhap = tong;
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0)
         {
             return(null);
         }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(arrC);
 }
コード例 #6
0
 /// <summary>
 /// vuong hung =================lay bang DonDatHang================
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_KiemKeHangHoa(Entities.TruyenGiaTri giatri)
 {
     Entities.ThongTinDatHang[] list = null;
     try
     {
         dh  = new Constants.ThongTinDatHang();
         Sql = new Constants.Sql();
         string sql = "exec sp_KiemKeHangHoa @MaKho";
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaKho", SqlDbType.VarChar, 20).Value = giatri.Giatritruyen;
         dr  = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang               = new Entities.ThongTinDatHang();
             dondathang.HanhDong      = string.Empty;
             dondathang.MaHangHoa     = dr["MaHangHoa"].ToString();
             dondathang.TenHangHoa    = dr["TenHangHoa"].ToString();
             dondathang.GiaNhap       = dr["GiaNhap"].ToString();
             dondathang.Tonkho        = dr["SoLuong"].ToString();
             dondathang.Giabanbuon    = dr["GiaBanBuon"].ToString();
             dondathang.Giabanle      = dr["GiaBanLe"].ToString();
             dondathang.Giatrigiatang = dr["GiaTriThue"].ToString();
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0)
         {
             list = null;
         }
         list = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             list[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); list = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(list);
 }
コード例 #7
0
 /// <summary>
 /// vuong hung =================lay bang DonDatHang================
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayBang_HangHoa(Entities.TruyenGiaTri giatri)
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         dh  = new Constants.ThongTinDatHang();
         Sql = new Constants.Sql();
         string sql = Sql.sp_LayBang_HangHoa;
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaHangHoa", SqlDbType.VarChar, 50).Value = giatri.Giatritruyen;
         dr  = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang               = new Entities.ThongTinDatHang();
             dondathang.MaHangHoa     = dr[0].ToString();
             dondathang.TenHangHoa    = dr[1].ToString();
             dondathang.GiaNhap       = dr[2].ToString();
             dondathang.Tonkho        = dr[3].ToString();
             dondathang.Giabanbuon    = dr[4].ToString();
             dondathang.Giabanle      = dr[5].ToString();
             dondathang.Giatrigiatang = dr[6].ToString();
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0)
         {
             return(null);
         }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(arrC);
 }
コード例 #8
0
 public Entities.ThongTinDatHang[] ThongTinTraLaiNhaCungCap(Entities.ThongTinDatHang dathang)
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         Sql = new Constants.Sql();
         string sql = "exec sp_ThongTinTraLaiNhaCungCap @MaHoaDonNhap";
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaHoaDonNhap", SqlDbType.VarChar, 20).Value = dathang.MaHangHoa;
         dr  = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang            = new Entities.ThongTinDatHang();
             dondathang.HanhDong   = dr[0].ToString();//ma hoa don nhap
             dondathang.MaHangHoa  = dr[1].ToString();
             dondathang.TenHangHoa = dr[2].ToString();
             dondathang.GiaNhap    = dr[3].ToString(); //gianhap
             dondathang.Tonkho     = dr[4].ToString(); //so luong
             dondathang.Giabanbuon = dr[5].ToString(); //thue giatrigiatang
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0)
         {
             arrC = null;
         }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); arrC = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(arrC);
 }
コード例 #9
0
 public Entities.ThongTinDatHang[] ChiTietKhachHangTraLaiTheoDonBanHang(Entities.TruyenGiaTri gitri)
 {
     Entities.ThongTinDatHang[] list = null;
     try
     {
         string sql = "exec sp_ChiTietKhachHangTraLaiTheoDonBanHang @MaHDBanHang,@LoaiHoaDon";
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaHDBanHang", SqlDbType.NVarChar, 20).Value = gitri.Giatritruyen;
         cmd.Parameters.Add("LoaiHoaDon", SqlDbType.VarChar, 20).Value   = gitri.Giatrithuhai;
         dr  = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             Entities.ThongTinDatHang lay = new Entities.ThongTinDatHang();
             lay.HanhDong      = dr[0].ToString();
             lay.MaHangHoa     = dr[1].ToString();
             lay.TenHangHoa    = dr[2].ToString();
             lay.GiaNhap       = dr[3].ToString();
             lay.Tonkho        = dr[4].ToString();
             lay.Giatrigiatang = dr[5].ToString();
             arr.Add(lay);
         }
         int n = arr.Count;
         if (n == 0)
         {
             list = null;
         }
         list = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             list[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); list = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(list);
 }
コード例 #10
0
 /// <summary>
 /// vuong hung =================lay bang DonDatHang================
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] KiemKeHangHoa(Entities.TruyenGiaTri giatri)
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         dh = new Constants.ThongTinDatHang();
         Sql = new Constants.Sql();
         string sql = Sql.sp_LayBang_HangHoa;
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaHangHoa", SqlDbType.VarChar, 50).Value = giatri.Giatritruyen;
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang = new Entities.ThongTinDatHang();
             dondathang.MaHangHoa = dr[0].ToString();
             dondathang.TenHangHoa = dr[1].ToString();
             dondathang.GiaNhap = dr[2].ToString();
             dondathang.Tonkho = dr[3].ToString();
             dondathang.Giabanbuon = dr[4].ToString();
             dondathang.Giabanle = dr[5].ToString();
             dondathang.Giatrigiatang = dr[6].ToString();
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0) { arrC= null; }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); arrC = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return arrC;
 }
コード例 #11
0
 /// <summary>
 /// vuong hung =================lay bang hoa don nhap================
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayBang_HoaDonNhap(Entities.ThongTinDatHang lay)
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         dh  = new Constants.ThongTinDatHang();
         Sql = new Constants.Sql();
         string sql = "exec sp_LayBang_ThongTinHoaDonnhap @MaNhaCungCap";
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaNhaCungCap", SqlDbType.VarChar, 20).Value = lay.MaHangHoa;
         dr  = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             hoadonnhap            = new Entities.ThongTinDatHang();
             hoadonnhap.MaHangHoa  = dr[0].ToString().ToUpper();
             hoadonnhap.TenHangHoa = dr[1].ToString();
             hoadonnhap.GiaNhap    = dr[2].ToString();
             arr.Add(hoadonnhap);
         }
         int n = arr.Count;
         if (n == 0)
         {
             return(null);
         }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(arrC);
 }
コード例 #12
0
 /// <summary>
 /// lay thong tin hoa don ban hang - khach hang
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayThongTinHoaDonBanHang()
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         Sql = new Constants.Sql();
         string sql = "exec sp_ThongTinHoaDonBanHang";
         conn = new Connection();
         cn   = conn.openConnection();
         cmd  = new SqlCommand(sql, cn);
         dr   = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr  = new ArrayList();
         while (dr.Read())
         {
             dondathang            = new Entities.ThongTinDatHang();
             dondathang.MaHangHoa  = dr[0].ToString();
             dondathang.TenHangHoa = dr[1].ToString();
             dondathang.GiaNhap    = dr[2].ToString();
             dondathang.Tonkho     = dr[3].ToString();
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0)
         {
             arrC = null;
         }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); arrC = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return(arrC);
 }
コード例 #13
0
 /// <summary>
 /// vuong hung =================lay bang hoa don nhap================
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayBang_HoaDonNhap(Entities.ThongTinDatHang lay)
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         dh = new Constants.ThongTinDatHang();
         Sql = new Constants.Sql();
         string sql = "exec sp_LayBang_ThongTinHoaDonnhap @MaNhaCungCap";
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaNhaCungCap", SqlDbType.VarChar, 20).Value = lay.MaHangHoa;
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             hoadonnhap = new Entities.ThongTinDatHang();
             hoadonnhap.MaHangHoa = dr[0].ToString().ToUpper();
             hoadonnhap.TenHangHoa = dr[1].ToString();
             hoadonnhap.GiaNhap =  dr[2].ToString();
             arr.Add(hoadonnhap);
         }
         int n = arr.Count;
         if (n == 0) { return null; }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return arrC;
 }
コード例 #14
0
 public Entities.ThongTinDatHang[] ThongTinTraLaiNhaCungCap(Entities.ThongTinDatHang dathang)
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         Sql = new Constants.Sql();
         string sql = "exec sp_ThongTinTraLaiNhaCungCap @MaHoaDonNhap";
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaHoaDonNhap", SqlDbType.VarChar, 20).Value = dathang.MaHangHoa;
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang = new Entities.ThongTinDatHang();
             dondathang.HanhDong = dr[0].ToString();//ma hoa don nhap
             dondathang.MaHangHoa = dr[1].ToString();
             dondathang.TenHangHoa = dr[2].ToString();
             dondathang.GiaNhap = dr[3].ToString();//gianhap
             dondathang.Tonkho = dr[4].ToString();//so luong
             dondathang.Giabanbuon = dr[5].ToString();//thue giatrigiatang
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0) { arrC= null; }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); arrC = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return arrC;
 }
コード例 #15
0
 /// <summary>
 /// lay thong tin hoa don ban hang - khach hang
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayThongTinHoaDonBanHang()
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         Sql = new Constants.Sql();
         string sql = "exec sp_ThongTinHoaDonBanHang";
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang = new Entities.ThongTinDatHang();
             dondathang.MaHangHoa = dr[0].ToString();
             dondathang.TenHangHoa = dr[1].ToString();
             dondathang.GiaNhap = dr[2].ToString();
             dondathang.Tonkho = dr[3].ToString();
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0) { arrC= null; }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); arrC = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return arrC;
 }
コード例 #16
0
 /// <summary>
 /// hungvv lay thong tin don dat hang tra lai nha cung cap
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_LayDonDatHangNhaCungCap()
 {
     Entities.ThongTinDatHang[] arrC = null;
     try
     {
         Sql = new Constants.Sql();
         string sql = "exec sp_LayDonDatHangNhaCungCap";
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang = new Entities.ThongTinDatHang();
             dondathang.MaHangHoa = dr[0].ToString();
             dondathang.TenHangHoa = dr[1].ToString();
             string soluong =  dr[2].ToString();
             string giagoc =  dr[3].ToString();
             string  phantram = dr[4].ToString();
             string tong = "0";
             if (phantram == "0")
             {
                 tong = (Double.Parse(giagoc) * Double.Parse(soluong)).ToString();
             }
             else
             {
                 tong = ((Double.Parse(soluong) * Double.Parse(giagoc))-((Double.Parse(phantram)/100) * Double.Parse(giagoc))).ToString();
             }
             dondathang.GiaNhap = tong;
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0) { return null; }
         arrC = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             arrC[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return arrC;
 }
コード例 #17
0
 /// <summary>
 /// vuong hung =================lay bang DonDatHang================
 /// </summary>
 /// <returns></returns>
 public Entities.ThongTinDatHang[] sp_KiemKeHangHoa(Entities.TruyenGiaTri giatri)
 {
     Entities.ThongTinDatHang[] list = null;
     try
     {
         dh = new Constants.ThongTinDatHang();
         Sql = new Constants.Sql();
         string sql = "exec sp_KiemKeHangHoa @MaKho";
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaKho", SqlDbType.VarChar, 20).Value = giatri.Giatritruyen;
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             dondathang = new Entities.ThongTinDatHang();
             dondathang.HanhDong = string.Empty;
             dondathang.MaHangHoa = dr["MaHangHoa"].ToString();
             dondathang.TenHangHoa = dr["TenHangHoa"].ToString();
             dondathang.GiaNhap = dr["GiaNhap"].ToString();
             dondathang.Tonkho = dr["SoLuong"].ToString();
             dondathang.Giabanbuon = dr["GiaBanBuon"].ToString();
             dondathang.Giabanle = dr["GiaBanLe"].ToString();
             dondathang.Giatrigiatang = dr["GiaTriThue"].ToString();
             arr.Add(dondathang);
         }
         int n = arr.Count;
         if (n == 0) { list= null; }
         list = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             list[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); list = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return list;
 }
コード例 #18
0
 public Entities.ThongTinDatHang[] ChiTietKhachHangTraLaiTheoDonBanHang(Entities.TruyenGiaTri gitri)
 {
     Entities.ThongTinDatHang[] list = null;
     try
     {
         string sql = "exec sp_ChiTietKhachHangTraLaiTheoDonBanHang @MaHDBanHang,@LoaiHoaDon";
         conn = new Connection();
         cn = conn.openConnection();
         cmd = new SqlCommand(sql, cn);
         cmd.Parameters.Add("MaHDBanHang", SqlDbType.NVarChar, 20).Value = gitri.Giatritruyen;
         cmd.Parameters.Add("LoaiHoaDon", SqlDbType.VarChar,20).Value = gitri.Giatrithuhai;
         dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
         arr = new ArrayList();
         while (dr.Read())
         {
             Entities.ThongTinDatHang lay = new Entities.ThongTinDatHang();
             lay.HanhDong = dr[0].ToString();
             lay.MaHangHoa = dr[1].ToString();
             lay.TenHangHoa = dr[2].ToString();
             lay.GiaNhap = dr[3].ToString();
             lay.Tonkho = dr[4].ToString();
             lay.Giatrigiatang = dr[5].ToString();
             arr.Add(lay);
         }
         int n = arr.Count;
         if (n == 0) { list= null; }
         list = new Entities.ThongTinDatHang[n];
         for (int i = 0; i < n; i++)
         {
             list[i] = (Entities.ThongTinDatHang)arr[i];
         }
     }
     catch (Exception ex)
     { string s = ex.Message.ToString(); list = null; }
     finally
     {
         cmd.Connection.Dispose();
         cn.Close();
         conn.closeConnection();
     }
     return list;
 }