/// <summary> /// 层值改变事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void cbo_C1_SelectedValueChanged(object sender, EventArgs e) { try { DataTable dt = sub.GetMAXZSByC(cbo_C1.Text); if (dt.Rows.Count > 0) { txt_ZDZS.Text = dt.Rows[0]["N_SLABWH_TIER_NUM"].ToString(); txt_KCZS.Text = sub.GetZSByC(cbo_C1.Text).ToString(); } } catch (Exception ex) { MessageBox.Show(ex.ToString()); } }