private void ButtonSubmit_Click(object sender, EventArgs e)
{
if (DatabaseTools.IsInDatabase("Employee", "Employee Code", BoxID.Text))
{
LabelError.Hide();
userID = BoxID.Text;
Main main = new Main(userID);
main.Show();
this.Hide();
BoxID.Clear();
}
else
{
LabelError.Show();
}
}
