private void button4_Click(object sender, EventArgs e)
{
label1.Text = "查询订单";
List <Order> ordersFound;
if (textBox1.Text == "")
{
orderBindingSource.DataSource = myOrderService.orderList;
orderBindingSource.ResetBindings(false);
}
else
{
ordersFound = myOrderService.FindOrderNo(textBox1.Text);
orderBindingSource.DataSource = ordersFound;
orderBindingSource.ResetBindings(false);
}
}
private void button4_Click(object sender, EventArgs e)
{
label1.Text = "查询订单";
using (var db = new OrderDBContext())
{
if (textBox1.Text == "")
{
orderBindingSource.DataSource = db.Orders.ToList();
orderBindingSource.ResetBindings(false);
}
else
{
try
{
orderBindingSource.DataSource = myOrderService.FindOrderNo(int.Parse(textBox1.Text));
orderBindingSource.ResetBindings(false);
}
catch (System.FormatException)
{
}
}
}
}