private void SaveUserCarDetails()
        {
            if (_userObj != null)
            {
                _userObj.MakeId = Convert.ToInt32(lstMake.SelectedValue);
                _userObj.ModelId = Convert.ToInt32(lstModel.SelectedValue);
                _userObj.Year = Convert.ToInt32(txtYear.Text);

                VehicleBLL vehicleBll = new VehicleBLL();

                vehicleBll.UpdateUserVehicleDetails(_userObj);

                LoadCarDetails();
            }
        }
        private void LoadVehicleMakes()
        {
            List<VehicleMakes> vehicleMakes = new VehicleBLL().GetVehicleMakes();

            if (vehicleMakes != null)
            {
                foreach (var make in vehicleMakes)
                {
                    ListItem lstItem = new ListItem();
                    lstItem.Text = make.VehicleMake;
                    lstItem.Value = make.MakeId.ToString();

                    lstMake.Items.Add(lstItem);
                }
            }
        }
        private void LoadVehicleModels()
        {
            int vehicleMakeId = Convert.ToInt32(lstMake.SelectedValue);

            List<VehicleModels> vehicleModels = new VehicleBLL().GetVehicleModels(vehicleMakeId);

            if (vehicleModels != null)
            {
                lstModel.Items.Clear();

                foreach (var model in vehicleModels)
                {
                    ListItem lstItem = new ListItem();
                    lstItem.Text = model.VehicleModel;
                    lstItem.Value = model.ModelId.ToString();

                    lstModel.Items.Add(lstItem);
                }
            }
        }
        private void LoadCarDetails()
        {
            int makeId = Convert.ToInt32(lstMake.SelectedValue);
            int modelId = Convert.ToInt32(lstModel.SelectedValue);
            int year = 0;
            if (!string.IsNullOrEmpty(txtYear.Text ))
            {
                year = Convert.ToInt32(txtYear.Text);
            }

            VehicleBLL vehicleBllObj = new VehicleBLL();
            CarDetails carDtls = vehicleBllObj.GetCarDetails(makeId, modelId,year);

            if (carDtls != null)
            {
                hiddCity08.Value = carDtls.CityMPGFuelType1.ToString();
                hiddCityA08.Value = carDtls.CityMPGFuelType2.ToString();

                hiddHighway08.Value = carDtls.HighwayMPGFuelType1.ToString();
                hiddHighwayA08.Value = carDtls.HighwayMPGFuelType2.ToString();

                hiddComb08.Value = carDtls.ComboMPGFuelType1.ToString();
                hiddCombA08.Value = carDtls.ComboMPGFuelType2.ToString();
            }
               // LoadUserFuelChart();
            LoadCarChart();
        }