private void button4_Click(object sender, EventArgs e)
{
string lastname = textBox7.Text;
ConnectDB obj = new ConnectDB();
Customer result = new Customer();
result = obj.SelectCustomerLastName(lastname);
customerSearch form = new customerSearch(result);
form.Show();
}
private void button3_Click(object sender, EventArgs e)
{
string number = textBox6.Text;
ConnectDB obj = new ConnectDB();
Customer result = new Customer();
result = obj.SelectCustomerPhone(number);
customerSearch form = new customerSearch(result);
form.Show();
}