private void enquiryToolStripMenuItem_Click(object sender, EventArgs e) { formDispose(); oEnquiryDet = new EnquiryDetailsUI(); oEnquiryDet.TopLevel = false; pnlBody.Controls.Add(oEnquiryDet); oEnquiryDet.Location = new Point(0, 0); oEnquiryDet.Show(); }