private void lbSignup_Click(object sender, EventArgs e)
{
fSignUp f = new fSignUp();
this.Hide();
f.ShowDialog();
this.Show();
}
private void btAddUserName_Click(object sender, EventArgs e)
{
fSignUp frm = new fSignUp();
frm.ShowDialog();
List <Account> accounts = AccountDAL.Instance.GetListAccount();
this.cbbUser.Items.Clear();
foreach (Account acc in accounts)
{
this.cbbUser.Items.Add(acc.Username);
}
}