private void button1_Click(object sender, EventArgs e) // add button
{
int c_no = int.Parse(textBox1.Text);
String n = textBox2.Text;
String a = textBox3.Text;
String p = textBox4.Text;
String em = textBox5.Text;
String w = textBox6.Text;
if (c_no == null || String.IsNullOrEmpty(n) || String.IsNullOrEmpty(p))
{
MessageBox.Show("empty name, phone or customerNo");
return;
}
currCustomer = Customers.Add(c_no, n, a, p, em, w);
LoadAll();
}
