public void Update(DS_Orders Orders)
{
using (var ct = new DS_OrdersDataContext(DbHelperSQL.Connection))
{
ct.DS_Orders.Attach(Orders, true);
ct.SubmitChanges();
}
}
public void Add(DS_Orders Orders)
{
using (var ct = new DS_OrdersDataContext(DbHelperSQL.Connection))
{
ct.DS_Orders.InsertOnSubmit(Orders);
ct.SubmitChanges();
}
}
public void Delete(int ID)
{
using (var ct = new DS_OrdersDataContext(DbHelperSQL.Connection))
{
DS_Orders st = ct.DS_Orders.Single(a => a.ID == ID);
ct.DS_Orders.DeleteOnSubmit(st);
ct.SubmitChanges();
}
}
public void Add(DS_Orders Order, List <DS_OrderDetail> OrderDetail)
{
using (var con = DbHelperSQL.GetConnection()) {
var tran = con.BeginTransaction();
var ct = new DS_OrdersDataContext(con);
ct.Transaction = tran;
var ct2 = new DS_OrderDetailDataContext(con);
ct2.Transaction = tran;
ct.DS_Orders.InsertOnSubmit(Order);
ct.SubmitChanges();
foreach (var odd in OrderDetail)
{
odd.OrderID = Order.ID;
}
ct2.DS_OrderDetail.InsertAllOnSubmit(OrderDetail);
ct2.SubmitChanges();
tran.Commit();
}
}
/// <summary>
/// 加入进货单
/// </summary>
/// <param name="ProductID">产品ID</param>
/// <param name="ProNum">产品数量</param>
/// <param name="ProTotalCount">添加商品后反回进货单中的总商品数</param>
/// <param name="ProTotalAmount">添加商品后反回进货单中的总金额</param>
/// <param name="CurrentProAmount">当前产品ID的总金额</param>
public OrderInfo Add(int ProductID, int ProNum)
{
var odinfo = new OrderInfo();
var orderDetail = CreateOrderDetail(ProductID, ProNum);
odinfo.CrtPriceRang = orderDetail.PriceRang;
var productbl = new DS_ProductsDataContext(DBUtility.DbHelperSQL.Connection);
var memberbl = new View_MembersDataContext(DBUtility.DbHelperSQL.Connection);
var product = productbl.DS_Products.Single(a => a.ID.Equals(orderDetail.ProductID));
var existod = Orders.Where(a => a.MemberID.Equals(product.MemberID));
if (existod.Count().Equals(0))//检查订单中是否存在相同公司
{
var order = new DS_Orders();
order.MemberID = product.MemberID;
var member = memberbl.View_Members.Single(a => a.ID.Equals(product.MemberID));
order.CompanyName = member.CompanyName;
order.QQ = member.QQ;
order.ProNum = orderDetail.ProNum;
order.PurchaseID = 0;
order.Amount = orderDetail.Amount;
order.CreateDate = DateTime.Now;
order.ID = id++;
odinfo.ID = order.ID;
Orders.Add(order);
orderDetail.OrderID = order.ID;
orderDetail.MemberID = order.MemberID;
orderDetail.OrderNum = DS_Orders_Br.GetSerial();
OrderDetail.Add(orderDetail);
}
else
{
var order = existod.Single();
orderDetail.OrderID = order.ID;
orderDetail.MemberID = order.MemberID;
odinfo.ID = order.ID;
//检查购物车中是否已存在相同商品
var existoddt = OrderDetail.Where(a => a.ProductID.Equals(orderDetail.ProductID));
if (existoddt.Count().Equals(0))
{
order.Amount += orderDetail.Amount;
order.ProNum += orderDetail.ProNum;
orderDetail.OrderNum = DS_Orders_Br.GetSerial();
OrderDetail.Add(orderDetail);
}
else
{
var oddt = existoddt.Single();
order.Amount -= Math.Round(double.Parse(oddt.ProNum.ToString()) * oddt.Price);
oddt.ProNum += orderDetail.ProNum;
oddt.Price = GetPrice(product.PriceRang, oddt.ProNum);
oddt.PriceRang = GetPriceRang(product.PriceRang, oddt.ProNum);
odinfo.CrtPriceRang = oddt.PriceRang;
oddt.Amount = Math.Round(double.Parse(oddt.ProNum.ToString()) * oddt.Price);
order.Amount += oddt.Amount;
order.ProNum += orderDetail.ProNum;
}
}
odinfo.PurTotalCount = Orders.Sum(a => a.ProNum);
odinfo.CrtProAmount = OrderDetail.Where(a => a.ProductID.Equals(ProductID)).Sum(a => a.Amount);
odinfo.PurTotalAmount = Orders.Sum(a => a.Amount);
odinfo.CrtOrderAmount = Orders.Where(a => a.ID.Equals(orderDetail.OrderID)).Sum(a => a.Amount);
return(odinfo);
}
