public IList <Billdetail_Model> GetId(Billdetail_Model model)
        {
            IList <Billdetail_Model> result = new List <Billdetail_Model>();

            result = Connect_Enttity.Billdetails.Where(x => x.id == model.id).Select(x => new Billdetail_Model
            {
                id           = x.id,
                bilid        = (int)(x.bilid), //khoa ngoai  Bill_customers_Model
                proid        = (int)(x.proid),
                sizeid       = (int)(x.sizeid),
                colorid      = (int)(x.colorid),
                quantity     = (int)(x.quantity),
                bilprice     = x.bilprice,
                bilpricevnd  = x.bilpricevnd,
                bilmoney     = x.bilmoney,
                billlocation = (int)(x.billlocation),
                Date         = Convert.ToDateTime(x.Date),
                status       = (int)(x.status)
            }).ToList();

            return(result);
        }
        public void Update(Billdetail_Model model)
        {
            var data = Connect_Enttity.Billdetails.FirstOrDefault(x => x.id == model.id);

            if (data != null)
            {
                data.bilid        = (int)(model.bilid);
                data.proid        = (int)(model.proid);
                data.sizeid       = (int)(model.sizeid);
                data.colorid      = (int)(model.colorid);
                data.quantity     = (int)(model.quantity);
                data.bilprice     = model.bilprice;
                data.bilpricevnd  = model.bilpricevnd;
                data.bilmoney     = model.bilmoney;
                data.billlocation = (int)(model.billlocation);
                data.Date         = Convert.ToDateTime(model.Date);
                data.status       = (int)(model.status);

                Connect_Enttity.SaveChanges();
                Dispose();
            }
        }
 public IEnumerable <Billdetail_Model> ReadID(Billdetail_Model model)
 {
     return(GetId(model));
 }