private void tsDelete_Click(object sender, EventArgs e) { try { PatientCategory pc = (PatientCategory)this.lbxPatientCategories.SelectedItem; if (pctrl.DeletePatientCategory(pc) == true) { MessageBox.Show(pc.CategoryName + " Catgory Deleted, successfully", "Deletion Completed"); } LoadPatientCategories(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }