Ejemplo n.º 1
0
        public bool NhapHangTuNhaCungCap(int nhanVienId, int nccId, List <ChiTietHoaDonMua> chiTietHoaDonMuas)
        {
            if (chiTietHoaDonMuas.Any())
            {
                string sql = @"INSERT INTO HoaDonMua VALUES (" + nhanVienId + ", " + nccId + DateTime.Now + ", " + null + ")";
                try
                {
                    var result = false;
                    da.Connect();
                    result = da.ExecuteNonQuery(sql) > 0;
                    if (result)
                    {
                        var sqlGetId = "SELECT TOP 1 Id FROM HoaDonMua ORDER BY DESC";
                        var val      = da.ExecuteScalar(sqlGetId).ToString();
                        int chiTietHoaDonMuaId;
                        if (int.TryParse(val, out chiTietHoaDonMuaId))
                        {
                            double tongTien = 0;
                            foreach (var chiTietHoaDonMua in chiTietHoaDonMuas)
                            {
                                sql    = @"INSERT INTO ChiTietHoaDonMua VALUES (" + chiTietHoaDonMuaId + ", " + chiTietHoaDonMua.SanPhamId + ", " + chiTietHoaDonMua.SoLuong + ")";
                                result = da.ExecuteNonQuery(sql) > 0;
                                sql    = @"SELECT Gia FROM SanPham WHERE Id = " + chiTietHoaDonMua.SanPhamId;
                                double gia = double.Parse(da.ExecuteScalar(sql).ToString());
                                tongTien += gia * chiTietHoaDonMua.SoLuong;
                            }

                            sql    = @"UPDATE HoaDonMua SET TongTien = " + tongTien + " WHERE Id = " + chiTietHoaDonMuaId;
                            result = da.ExecuteNonQuery(sql) > 0;
                        }
                    }

                    da.Disconnet();
                    return(result);
                }
                catch (Exception e)
                {
                    MessageBox.Show(e.Message);
                    return(false);
                }
            }
            else
            {
                return(false);
            }
        }
Ejemplo n.º 2
0
        public bool CheckLogIn(string username, string password)
        {
            string sql = "SELECT UserId FROM TaiKhoan WHERE Username = '******' AND Password = '******'";

            try
            {
                var result = false;
                da.Connect();

                var dr = da.ExecuteScalar(sql);
                result = dr != null;
                da.Disconnet();
                return(result);
            }
            catch (Exception)
            {
                return(false);
            }
        }