private void btnAddItem_Click(object sender, EventArgs e)
{
OrderItem orderItem = new OrderItem();
ItemAddForm itemAddForm = new ItemAddForm(orderItem);
itemAddForm.ShowDialog();
//订单每增加一个就应该存到currentorder的items列表中，方便到时候存进数据库
if (CurrentOrder.Add_Item(itemAddForm.currentItem))
{
if (editmode == true)
{
using (var db = new OrdersContext())
{
var neworderitem = itemAddForm.currentItem;
neworderitem.Order_ID = CurrentOrder.Order_ID;
db.Entry(neworderitem).State = EntityState.Added;
db.SaveChanges();
}
}
orderbindingSource.DataSource = CurrentOrder;//更新绑定信息，使界面立即显示信息
orderbindingSource.ResetBindings(false);
}
else
{
MessageBox.Show("添加商品明细失败");
}
}
private void btnAddItem_Click(object sender, EventArgs e)
{
OrderItem orderItem = new OrderItem();
ItemAddForm itemAddForm = new ItemAddForm(orderItem);
itemAddForm.ShowDialog();
CurrentOrder.Add_Item(itemAddForm.currentItem);
orderbindingSource.DataSource = CurrentOrder;//更新绑定信息，使界面立即显示信息
orderbindingSource.ResetBindings(false);
}