private void ddlModelName_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (ddlModelName.SelectedIndex != -1)
     {
         SparePartsInfoBL bl   = new SparePartsInfoBL();
         ComboboxItem     item = (ComboboxItem)ddlModelName.SelectedItem;
         if (item != null)
         {
             var vehicleinfo = bl.GetSparePartsInfo(Convert.ToInt32(item.Value));
             txtShowRoomPrice.Text = vehicleinfo.ShowRoomPrice.ToString();
             txtMarginPrice.Text   = vehicleinfo.MarginPrice.ToString();
         }
     }
 }
        private void PopulateSparePartstype(int SparePartsInfoID)
        {
            SparePartsInfoBL obj        = new SparePartsInfoBL();
            var          SparePartsInfo = obj.GetSparePartsInfo(SparePartsInfoID);
            var          SparePartsType = obj.GetSparePartsTypes().Where(vt => vt.SparePartsTypeID == SparePartsInfo.SparePartsTypeID).FirstOrDefault();
            ComboboxItem selitem        = new ComboboxItem();

            selitem.Text           = SparePartsType.Description;
            selitem.Value          = SparePartsType.SparePartsTypeID;
            ddlSparePartsType.Text = selitem.Text;
            txtModelCode.Text      = SparePartsInfo.ModelCode;
            txtModelName.Text      = SparePartsInfo.ModelName;
            txtShowRoomPrice.Text  = SparePartsInfo.ShowRoomPrice.ToString();
            txtMarginPrice.Text    = SparePartsInfo.MarginPrice.ToString();
        }