protected string GetSparePartDetailsUrl(SparePartFranch sparePart)
 {
     SparePartPriceKey key = new SparePartPriceKey(
         sparePart.Manufacturer,
         sparePart.PartNumber,
         sparePart.SupplierID);
     return UrlManager.GetSparePartDetailsUrl(key.ToUrlString());
 }
 protected string GetSparePartDetailsUrl( OrderLine line )
 {
     if( line != null )
     {
         SparePartPriceKey key = new SparePartPriceKey(
             line.Manufacturer,
             line.PartNumber,
             line.SupplierID );
         return UrlManager.GetSparePartDetailsUrl( key.ToUrlString() );
     }
     else
     {
         return null;
     }
 }