private void TraSach_Click(object sender, EventArgs e) { frmIDDG DG = new frmIDDG(); DG.FLag = "Tra"; this.Hide(); DG.Show(); }
private void BtnMuonsach_Click(object sender, EventArgs e) { frmIDDG DG = new frmIDDG(); this.Hide(); DG.FLag = "Muon"; DG.Show(); }