protected void save_Click(object sender, EventArgs e)
        {
            string chargesID = Request.QueryString["chargesID"];

            if ((!string.IsNullOrEmpty(chargesID.Trim())) && (!chargesID.Trim().Equals("0")))
            {
                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.updateCityPrice(new tbl_autoCharges
                {
                    charges             = charges,
                    chargesID           = int.Parse(chargesID),
                    updatedAt           = DateTime.Now,
                    from_city           = int.Parse(fromCity_dropDown.SelectedValue),
                    to_city             = int.Parse(toCity_dropDown.SelectedValue),
                    VehicleTypeIsNormal = VehicleTypeIsNormal,
                    type = type
                });

                if (result.Equals("true"))
                {
                    ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Updated Successfully.');", true);
                }
                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);
                }
            }
            else
            {
                ClientScript.RegisterStartupScript(this.GetType(), "myalert", "alert('Something went wrong.');", true);
            }
        }