{
            string sql;
            sql = "select * from alllb order by id desc";
            getdata(sql);
        }
    }
    private void getdata(string sql)
    {
        DataSet result = new DataSet();
        result = new Class1().hsggetdata(sql);
        if (result != null)
        {
            if (result.Tables[0].Rows.Count > 0)
            {
                int k = 0;
                for (k = 0; k < result.Tables[0].Rows.Count; k++)
                {
                    lb.Items.Add(result.Tables[0].Rows[k]["lb"].ToString().Trim());
                }

            }
        }
    }
 private void hsgupload()
    {
        if (UploadFile.Value != null)
        {
            string nam = UploadFile.PostedFile.FileName;
            //取得文件名(抱括路径)里最后一个"."的索引
            int i = nam.LastIndexOf(".");
            //取得文件扩展名
            string newext = nam.Substring(i);
            //这里自动根据日期和文件大小不同为文件命名,确保文件名不重复
            DateTime now = DateTime.Now;
            string newname = now.DayOfYear.ToString() + UploadFile.PostedFile.ContentLength.ToString();

            //保存文件到你所要的目录,这里是IIS根目录下的uploadfiles目录
            //注意: 这里用Server.MapPath()取当前文件的绝对目录.在asp.net里"\"必须用"\\"代替
            UploadFile.PostedFile.SaveAs(Server.MapPath("uppic/" + newname + newext));

            //得到这个文件的相关属性:文件名,文件类型,文件大小
            //string fname;
            fname = newname + newext;
            //Response.Write("<script>javascript:alert('"+fname+"');</script>");
            //fenc.Text=UploadFile.PostedFile.ContentType ; ASP.net+sqlserver企业网站设计+流程图+用例ER图(18):http://www.youerw.com/jisuanji/lunwen_338.html