private void DAdd_Click(object sender, EventArgs e) { validation2(); if (DName.Text != "" && DRent.Text != "" && errorProvider1.GetError(groupBox4) == "") { if (DReserv.Checked) { m = true; } else { m = false; } Dept d = new Dept(DName.Text, int.Parse(DRent.Text), m, depid); d.Add(); notifyIcon1.ShowBalloonTip(2000, "Welcome", "Dept Added", ToolTipIcon.Info); ShowItem(3, "Dept_db", this.deptlst); } }