private void quanLyNhânViênToolStripMenuItem_Click(object sender, EventArgs e) { if (!CheckExistForm("ManageEmployees")) { manageEmployees.MdiParent = this; manageEmployees.Show(); manageEmployees.Location = new Point(0, 0); } else { ActiveChildForm("ManageEmployees"); } }
private void quanLyNhânViênToolStripMenuItem_Click(object sender, EventArgs e) { if (Utilities.Permit(username) < 3) { if (!CheckExistForm("ManageEmployees")) { manageEmployees.MdiParent = this; manageEmployees.Show(); manageEmployees.Location = new Point(0, 0); } else { ActiveChildForm("ManageEmployees"); } } else { MessageBox.Show("Bạn không có quyền truy cập chức năng này!", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information); } }