private void btnLogin_Click(object sender, EventArgs e)
{
username = txtUsername.Text;
password = txtPassword.Text;
id = Convert.ToInt32(usersTableAdapter.SelectID(username, password));
if (id != 0)
{
posForm = new POSForm(username);
Hide();
posForm.ShowDialog();
}
else
{
MessageBox.Show("Enter the correct Username and Password!!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public Calc(POSForm frm)
{
InitializeComponent();
frm1 = frm;
}