//**************************************************************************************************** //联系人关系 public static void setRelation(ComboBox cmb, Object value = null) { DataTable dt = new ModRelation().getSelect(); DataRow dr = dt.NewRow(); dr["id"] = 0; dr["relationName"] = "--请选择联系人关系--"; dt.Rows.InsertAt(dr, 0); cmb.DataSource = dt; cmb.ValueMember = "id"; cmb.DisplayMember = "relationName"; if (value == null) { cmb.SelectedValue = 0; } else { cmb.SelectedValue = Convert.ToInt32(value); } }