GoodsList.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 GoodsList : System.Web.UI.Page
{
    public string sql;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.QueryString["lb"] != null)
            {
                if (Request.QueryString["lb"].ToString() == "1")
                {
                    sql = "select  * from Goods where GName like '%" + Request.QueryString["name"].ToString() + "%'";
                }
                else 
                {
                    sql = "select  * from Goods where SID =" + Request.QueryString["name"].ToString() + "";
                }
            }
            else
            {
                sql = "select  * from Goods  where gpicture<>'' order by gid desc";
            }
          
            getdata2(sql);
   

        }
    }

    private void getdata2(string sql)
    {
        DataSet result = ClassDB.GetDataSet(sql);
        if (result != null)
        {
            if (result.Tables[0].Rows.Count > 0)
            {
                DataList1.DataSource = result.Tables[0];
                DataList1.DataBind();
            }
            else
            {
                DataList1.DataSource = null;
                DataList1.DataBind();
            }
        }
    }
   

}