public static int PlaceOrder(Order o, List <OrderItem> listOI)
{
dbcon obj = new dbcon();
SqlParameter[] objParams = new SqlParameter[14];
objParams[0] = new SqlParameter("@CustomerID", o.CustomerID);
objParams[1] = new SqlParameter("@OrderDate", o.OrderDate);
objParams[2] = new SqlParameter("@FirstName", o.FirstName);
objParams[3] = new SqlParameter("@LastName", o.LastName);
objParams[4] = new SqlParameter("@Company", o.Company);
objParams[5] = new SqlParameter("@Address", o.Address);
objParams[6] = new SqlParameter("@Country", o.Country);
objParams[7] = new SqlParameter("@City", o.City);
objParams[8] = new SqlParameter("@Province", o.Province);
objParams[9] = new SqlParameter("@ZipCode", o.ZipCode);
objParams[10] = new SqlParameter("@Telephone", o.Telephone);
objParams[11] = new SqlParameter("@Fax", o.Fax);
objParams[12] = new SqlParameter("@totalAmount", o.TotaAmount);
objParams[13] = new SqlParameter("@Status", o.status);
o.OrderID = int.Parse(obj.ExecuteScalar("InsertOrder", objParams).ToString());
foreach (OrderItem item in listOI)
{
SqlParameter[] objParams2 = new SqlParameter[7];
objParams2[0] = new SqlParameter("@OrderID", o.OrderID);
objParams2[1] = new SqlParameter("@ProductID", item.ProductID);
objParams2[2] = new SqlParameter("@Quantity", item.Quantity);
objParams2[3] = new SqlParameter("@UnitCost", item.UnitCost);
objParams2[4] = new SqlParameter("@PurchaseDate", DateTime.Now);
objParams2[5] = new SqlParameter("@ProductName", item.ProductName);
objParams2[6] = new SqlParameter("@buyprice", item.buyPrice);
obj.ExecuteNonQuery("InsertOrderItem", objParams2);
}
return(o.OrderID);
}