private void btnThoat_Click(object sender, EventArgs e) { frmQLMay frm = new frmQLMay(); frm.Show(); this.Hide(); }
private void btn_QLMay_Click(object sender, EventArgs e) { frmQLMay frm; if (user.TenUser != "") { frm = new frmQLMay(user); } else { frm = new frmQLMay(); } frm.Show(); }