private void AddToolStripMenuItem_Click(object sender, EventArgs e)
{
OrderOperationForm addForm = new OrderOperationForm();
addForm.setMainFormOrderValue += getOrderValueAndAdd;
addForm.Show();
}
private void ModifyToolStripMenuItem_Click(object sender, EventArgs e)
{
OrderOperationForm modifyForm = new OrderOperationForm();
modifyForm.Text = "修改订单";
modifyForm.operateOrderBtn.Text = "修改订单";
modifyForm.setMainFormOrderValue += getOrderValueAndModify;
modifyForm.Show();
}