protected void DDLEngineSize1_SelectedIndexChanged(object sender, EventArgs e)
 {
     GenericVehicle gv = new GenericVehicle();
     DDLFuelType.Items.Clear();
     DDLFuelType.Items.Insert(0, "");
     foreach (string fuelType in gv.SearchVehicleFuelType(DDLModel.Text, DDLYear.Text, DDLEngineSize1.Text))
     {
         DDLFuelType.Items.Add(gv.FuelTypeCheck(fuelType));
     }
 }
 protected void btnSubmit_Click(object sender, EventArgs e)
 {
     DDLModel.Items.Clear();
     GenericVehicle gv = new GenericVehicle();
     DDLModel.Items.Insert(0, "");
     foreach (string model in gv.SearchVehicleModels(autoComplete.Text))
     {
         DDLModel.Items.Add(model);
     }
     DDLModel.DataBind();
 }
 protected void DDLYear_SelectedIndexChanged(object sender, EventArgs e)
 {
     GenericVehicle gv = new GenericVehicle();
     //Vehicle EngineSize
     //Need to clear the combobox before adding new items
     DDLEngineSize1.Items.Clear();
     DDLEngineSize1.Items.Insert(0, "");
     foreach (string engineSize in gv.SearchVehicleEngineSize(DDLModel.Text, DDLYear.Text))
     {
         DDLEngineSize1.Items.Add(engineSize);
     }
     DDLEngineSize1.Text = "";
 }
        protected void DDLModel_SelectedIndexChanged(object sender, EventArgs e)
        {
            GenericVehicle gv = new GenericVehicle();

            //Vehicle Year
            //Need to clear the combobox before adding new items
            DDLYear.Items.Clear();
            DDLYear.Items.Insert(0, "");
            foreach (string year in gv.SearchVehicleYear(DDLModel.Text))
            {
                DDLYear.Items.Add(year);
            }
        }
 protected void EngineSizeDDL_SelectedIndexChanged(object sender, EventArgs e)
 {
     GenericVehicle gv = new GenericVehicle();
     //Vehicle FuelType
     //Need to clear the combobox before adding new items
     FuelTypeDDL.Items.Clear();
     FuelTypeDDL.Items.Insert(0, "");
     foreach (string fuelType in gv.SearchVehicleFuelType(ModelDDL.Text, YearDDL.Text, EngineSizeDDL.Text))
     {
         FuelTypeDDL.Items.Add(gv.FuelTypeCheck(fuelType));
     }
     FuelTypeDDL.DataBind();
 }
        protected void ModelDDL_SelectedIndexChanged(object sender, EventArgs e)
        {
            GenericVehicle gv = new GenericVehicle();

            //Vehicle Year
            //Need to clear the combobox before adding new items
            YearDDL.Items.Clear();
            YearDDL.Items.Insert(0, "");
            foreach (string year in gv.SearchVehicleYear(ModelDDL.Text))
            {
                YearDDL.Items.Add(year);
            }
            YearDDL.DataBind();
        }