private void cmdRegister_Click(object sender, EventArgs e)
{
Myusers u1 = new Myusers();
u1.Username = textBox1.Text;
u1.Answer = textBox2.Text;
u1.Password = textpwd.Text;
u1.Question = comboBox1.Text;
Dataclass.users.Add(u1);
MessageBox.Show("user register");
textBox1.Text = "";
textpwd.Text = "";
}
private void cmd_add_Click(object sender, EventArgs e)
{
mycontacts c = new mycontacts();
c.Name = textBox1.Text;
c.Cell = textBox2.Text;
Myusers cu = MyUtill.loginuser;
MyUtill.loginuser.Contacts.Add(c);
BindingSource source = new BindingSource();
source.DataSource = MyUtill.loginuser.Contacts;
dataGridView1.DataSource = source;
}