listcate.aspx.cs

可以实现图书信息的管理笑话寻和山下湖

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 Web_ListCate : System.Web.UI.Page
{
    BaseClass bc = new BaseClass();
    protected void Page_Load(object sender, EventArgs e)
    {
        string strSql = "SELECT a.Category_name as Child , a.Category_id ,b.Category_name as Parent FROM tb_Category as a left join tb_Category as b on a.Category_parent_id = b.Category_id ";
        GvCate.DataSource = bc.GetDataSet(strSql, "tb_Category");
        GvCate.DataKeyNames = new string[] { "Category_id" };
        GvCate.DataBind();
    }

}