admin_m/main_manage.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 admin_m_main_manage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            login.pd();
            bind1();
        }
    }
    void bind1()
    {
        string sql;
        sql = "select id,news_title,data from news order by id desc";
        GridView1.DataSource = access.GDS(sql);
        GridView1.DataBind();
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        int sid = (int)GridView1.DataKeys[e.RowIndex].Value;
        Response.Write(sid);
        string sql = "DELETE FROM news where id=" + sid;
        access.GDS(sql);
        bind1();
    }

    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        bind1();
    }
}