pro_add.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class pro_add : System.Web.UI.Page
{
    public string fname;
    protected void Page_Load(object sender, EventArgs e)
    {
       
        if (!IsPostBack)
        {
            istg.Items.Add("是");
            istg.Items.Add("否");
           // fenlei.Items.Add("二手");
            //fenlei.Items.Add("特产");
            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);
            //这里我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
            Random rnd = new Random();
            int n = rnd.Next(1000, 9999);
            string newname = DateTime.Now.Year.ToString().Trim() + DateTime.Now.Month.ToString().Trim() + DateTime.Now.Day.ToString().Trim() + DateTime.Now.Hour.ToString().Trim() + DateTime.Now.Minute.ToString().Trim() + DateTime.Now.Second.ToString().Trim() + n.ToString().Trim();