private void btnAddItem_Click(object sender, EventArgs e)
{
FormItemUpdate formItemEdit = new FormItemUpdate(new OrderItem());
try
{
if (formItemEdit.ShowDialog() == DialogResult.OK)
{
//int index = 0;
//if (CurrentOrder.OrderItems.Count != 0)
//{
// index = CurrentOrder.OrderItems.Max(i => i.OrderItemID) + 1;
//}
using (var db = new OScontext())
{
formItemEdit.OrderItem.OrderItemID = db.OrderItems.Count() + 1;
int newID = db.Goods.Count() + 1;
formItemEdit.OrderItem.GoodsItem.GoodsID = newID.ToString();
}
CurrentOrder.AddItem(formItemEdit.OrderItem);
itemsBindingSource.ResetBindings(false);
}
}
catch (Exception e2)
{
MessageBox.Show(e2.Message);
}
}
private void EditItem()
{
OrderItem orderItem = itemsBindingSource.Current as OrderItem;
if (orderItem == null)
{
MessageBox.Show("请选择一个订单项进行修改");
return;
}
FormItemUpdate formItemEdit = new FormItemUpdate(orderItem);
if (formItemEdit.ShowDialog() == DialogResult.OK)
{
itemsBindingSource.ResetBindings(false);
}
}