private void vip_mtf_Load(object sender, EventArgs e)
{
VIP a = new VIP();
DataSet ds = new DataSet();
ds = a.check_merchantgrade(user_ifms.ID);
dataGridView1.DataSource = ds;
dataGridView1.DataMember = "merchant_vip";
}
private void button2_Click(object sender, EventArgs e)
{
VIP a = new VIP();
if (a.update_discount(user_ifms.ID, textBox3.Text, textBox4.Text))
{
MessageBox.Show("修改成功");
DataSet ds = new DataSet();
ds = a.check_merchantgrade(user_ifms.ID);
dataGridView1.DataSource = ds;
dataGridView1.DataMember = "merchant_vip";
}
}