protected void Add_Click(object sender, EventArgs e)
        {
            string charges = txt_charges.Value;

            if (string.IsNullOrWhiteSpace(charges))
            {
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('All fields required.');", true);
                return;
            }

            string type = "";

            if (VehicleTypeSedan.Checked)
            {
                type = "Sedan";
            }
            else if (VehicleTypeVan.Checked)
            {
                type = "Van";
            }
            else if (VehicleTypeBus.Checked)
            {
                type = "Bus";
            }

            bool VehicleTypeIsNormal = (VehicleTypeEconomy.Checked) ? true : false;

            if (type.ToLower().Trim().Equals("van") && (!VehicleTypeIsNormal))
            {
                VehicleTypeEconomy.Checked = true;
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Luxury type not set for Van.');", true);
                return;
            }

            if (type.ToLower().Trim().Equals("bus") && (!VehicleTypeIsNormal))
            {
                VehicleTypeEconomy.Checked = true;
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Luxury type not set for Bus.');", true);
                return;
            }

            string result = CitiesRepo.addCityPrice(new tbl_autoCharges
            {
                charges             = charges,
                createdAt           = DateTime.Now,
                from_city           = int.Parse(fromCity_dropDown.SelectedValue),
                to_city             = int.Parse(toCity_dropDown.SelectedValue),
                type                = type,
                VehicleTypeIsNormal = VehicleTypeIsNormal
            });

            if (result.Equals("true"))
            {
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Added successfully.');", true);
                cityDetail();
            }
            else if (result.Equals("already"))
            {
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('This city name is already exist.');", true);
            }
            else if (result.Equals("same"))
            {
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Same city names not allowed.');", true);
            }
            else
            {
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Something went wrong.');", true);
            }
        }