admin/admin_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;
using System.Data.SqlClient;

public partial class admin_admin_manage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            check_login();
            this.GridView1_Show();
        }
    }
    void check_login()
    {
        if (Session["admin"] == null || Session["admin"].ToString() == "")
        {
            Response.Write("<script language='javascript'>alert('请先登录!');</script>");
            Response.Redirect("login.aspx");
        }
    }
    /// <summary>
    /// 绑定GridView
    /// </summary>
    protected void GridView1_Show()
    {
        string strConn = ConfigurationManager.ConnectionStrings["sq_chaletshopConnectionString"].ToString();
        SqlConnection conn = new SqlConnection(strConn);
        string strSql = "select * from admin  order by id desc";
        SqlDataAdapter da = new SqlDataAdapter(strSql, conn);
        DataSet ds = new DataSet();
        da.Fill(ds);
        this.GridView1.DataSource = ds;
        this.GridView1.DataKeyNames = new string[] { "id" };
        this.GridView1.DataBind();
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        //删除数据库里的数据
        string strSql = "delete from admin where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        string strConn = ConfigurationManager.ConnectionStrings["sq_chaletshopConnectionString"].ToString();
        SqlConnection conn = new SqlConnection(strConn);
        SqlCommand sqlcom = new SqlCommand(strSql, conn);
        conn.Open();
        sqlcom.ExecuteNonQuery();
        conn.Close();
        this.GridView1_Show();
    }
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        //更新数据库里的数据