private void done_del_bt_Click(object sender, EventArgs e) { medServ = new MedicineService(); try { int result = medServ.DeleteMed(Convert.ToInt32(medId_del_tb.Text)); if (result > 0) { MessageBox.Show("Medicine Deleted"); medId_del_tb.Text = ""; UpdateGridview(); } else { MessageBox.Show("Please Try Again"); } } catch (Exception ex) { MessageBox.Show(ex.StackTrace); } }