private void DeleteItem_Click(object sender, EventArgs e)
{
OrderItem orderItem = ItemCreateBindingSource.Current as OrderItem;
if (orderItem == null)
{
MessageBox.Show("请选择一个订单项进行删除");
return;
}
currentOrder.RemoveItem(orderItem);
ItemCreateBindingSource.ResetBindings(false);
}
private void ModifyItem_Click(object sender, EventArgs e)
{
OrderItem orderItem = ItemCreateBindingSource.Current as OrderItem;
if (orderItem == null)
{
MessageBox.Show("请选择一个订单项进行修改");
return;
}
Form3 form3 = new Form3(orderItem);
if (form3.ShowDialog() == DialogResult.OK)
{
ItemCreateBindingSource.ResetBindings(false);
}
}
private void AddItem_Click(object sender, EventArgs e)
{
Form3 form3 = new Form3(new OrderItem());
try
{
if (form3.ShowDialog() == DialogResult.OK)
{
uint index = 0;
if (currentOrder.Items.Count != 0)
{
index = currentOrder.Items.Max(i => i.Index) + 1;
}
form3.OrderItem.Index = index;
currentOrder.AddItem(form3.OrderItem);
ItemCreateBindingSource.ResetBindings(false);
}
}
catch (Exception e2)
{
MessageBox.Show(e2.Message);
}
}
