public List <Order> GetAllOrders()
{
using (var db = new OrderDB())
{
return(db.Order.Include("Details").ToList <Order>());
}
}
public List <Order> QueryByCustormer(String custormer)
{
using (var db = new OrderDB())
{
return(db.Order.Include("Details")
.Where(o => o.Customer.Equals(custormer)).ToList <Order>());
}
}
public Order GetOrder(String Id)
{
using (var db = new OrderDB())
{
return(db.Order.Include("Details").
SingleOrDefault(o => o.Id == Id));
}
}
public List <Order> QueryByGoods(String product)
{
using (var db = new OrderDB())
{
var query = db.Order.Include("items")
.Where(o => o.Details.Where(
item => item.Product.Equals(product)).Count() > 0);
return(query.ToList <Order>());
}
}
public void Delete(String orderId)
{
using (var db = new OrderDB())
{
var order = db.Order.Include("Details").SingleOrDefault(o => o.Id == orderId);
db.OrderDetail.RemoveRange(order.Details);
db.Order.Remove(order);
db.SaveChanges();
}
}
public void Add(Order order)
{
using (var db = new OrderDB())
{
db.Order.Add(order);
//db.Order.Attach(order);
//db.Entry(order).State = EntityState.Added;
db.SaveChanges();
}
}
public void Update(Order order)//修改
{
using (var db = new OrderDB())
{
db.Order.Attach(order);
db.Entry(order).State = EntityState.Modified;
order.Details.ForEach(
item => db.Entry(item).State = EntityState.Modified);
db.SaveChanges();
}
}