Admin/liuyanguanli.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class Admin_liuyanQuery : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindData();
        }
    }
    private void BindData()
    {
        string sql = "select * from liuyan WHERE jiaoshiID=" + Session["jiaoshiID"].ToString()+ " order by ID desc";//查询留言信息SQL语句

        DataSet ds = LinkDB.Query(sql);//执行查询语句
        DataGrid1.DataSource = ds.Tables[0];
        DataGrid1.DataKeyField = "ID";

        DataGrid1.DataBind();
    }
    protected void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        this.DataGrid1.CurrentPageIndex = e.NewPageIndex;
        BindData();
    }
    protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            e.Item.Attributes.Add("onmouseover", "c=this.style.backgroundColor,this.style.backgroundColor='#6699ff'");
            e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
        }
    }
    protected void DataGrid1_DeleteCommand(object source, DataGridCommandEventArgs e)
    {
        int index = e.Item.ItemIndex;
        string id = this.DataGrid1.DataKeys[index].ToString().Trim();
        string sql;
        sql = "delete from liuyan where ID=" + id + " ";// 根据ID删除留言信息语句
        int result = LinkDB.ExecuteSql(sql);//执行删除语句
        if (result == 1)
        {
            Response.Write("<script>javascript:alert('删除成功');</script>");
            BindData();

        }
        else
        {