DropDownList Dataset绑定

  private void ddl_StuSexBind()
        {
            _Stu_InfoBLL = new StuInfoManage();
            DataSet ds = _Stu_InfoBLL.GetStuInfoList("");
            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                ddl_Stu_Num.Items.Add(new ListItem(dr["Stu_Name"].ToString() + "(" + dr["Stu_Num"].ToString() + ")", dr["ID"].ToString()));
            }
            ddl_Stu_Num.Items.Insert(0, new ListItem("--请选择--", "--请选择--"));
        }