public string IWantToBuyOrderAdd(QueryCommon <IWantToSupplyQuery> query)
{
DateTime now = DateTime.Now;
Result_Model <IWantToSupply> res = iWantToBuyService.GetObjectById_Supply(query.ParamInfo.Id);
Result_Model <IWantToBuy_Orders> res1 = iWantToBuyService.AddIWantToBuyOrder(res.Model);
return(Newtonsoft.Json.JsonConvert.SerializeObject(res));
}