//删除 private void btn_delete_Click_1(object sender, EventArgs e) { try { if (TypeBLL.DeleteType(id)) { MessageBox.Show("删除成功", "温馨提示"); } } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { //初始化 id = 0; this.txt_typename.Text = ""; this.dgv_xiangqing.DataSource = TypeBLL.selecttype(); } }