new.ascx.cs

本系统是网上书店系统。本系统是应用ASP.NET 和SQL Sever2000数据库组成

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;
using System.Data.SqlClient;

public partial class inc_new : System.Web.UI.UserControl
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Bind_NewBook();
        }
    }
    protected void Bind_NewBook()
    {
        //读取数据库连接字符串
        string settings = Convert.ToString(ConfigurationManager.ConnectionStrings["SqlServices"]);
        //创建数据库连接对象
        SqlConnection myconn = new SqlConnection(settings);
        myconn.Open();
        string strsql = "select top 10 * from Books ORDER BY BookID DESC";
        SqlCommand myCommand = new SqlCommand(strsql, myconn);

        //执行数据操作命令
        //SqlDataReader读取数据到记录集后，会自动关闭数据库的连接
        SqlDataReader result = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
        dl_newbook.DataSource = result;
        dl_newbook.DataBind();
    }
}