DataList数据的绑定

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Index.aspx.cs" Inherits="WebApplication1.Index" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        .style1
        {
            width: 100%;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>

        <asp:DataList ID="DataList1" runat="server"
            onselectedindexchanged="DataList1_SelectedIndexChanged" RepeatColumns="3"
            RepeatDirection="Horizontal">
            <ItemTemplate>
                <table class="style1">
                    <tr>
                        <td rowspan="3">
                            <asp:Image ID="Image1" runat="server" Height="120px"
                                ImageUrl='<%# Eval("pic") %>' Width="100px" />
                        </td>
                        <td>
                            <asp:Label ID="Label1" runat="server" Text='<%# Eval("price") %>'></asp:Label>
                        </td>
                    </tr>
                    <tr>
                        <td>
                            <asp:Label ID="Label2" runat="server" Text='<%# Eval("sprice") %>'></asp:Label>
                        </td>
                    </tr>
                    <tr>
                        <td>
                            <asp:ImageButton ID="ImageButton1" runat="server"
                                CommandArgument='<%# Eval("pid") %>' ImageUrl="~/images/MenuPic/edit.gif"
                                onclick="ImageButton1_Click" />
                            <asp:ImageButton ID="ImageButton2" runat="server"
                                CommandArgument='<%# Eval("pid") %>' ImageUrl="~/images/MenuPic/delete.gif" />
                        </td>
                    </tr>
                </table>
            </ItemTemplate>
        </asp:DataList>

    </div>
    </form>
</body>
</html>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;

namespace WebApplication1
{
    public partial class Index : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                BingList();
            }
        }

        private void BingList()
        {
            string sql = "select * from product";
            DataTable dt = SQLHelper.GetTable(sql);
            DataList1.DataSource = dt;
            DataList1.DataBind();

        }

    }
}