Admin/liuyanhuifu.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_liuyanEdit : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
             //根据ID查询留言信息
            string sql = "select * from liuyan where ID=" + Request.QueryString["id"].ToString() + "";

            DataSet ds = LinkDB.Query(sql);
            if (ds.Tables[0].Rows.Count > 0)
            {
                this.huifu.Text = ds.Tables[0].Rows[0]["reply"].ToString();//把回复信息赋值给控件
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string id = Request.QueryString["id"].ToString();//获取留言信息的主键ID
        string huifu = this.huifu.Text.ToString();
        string strSql = "Update liuyan set reply='" + huifu + "' where ID=" + id + ""; ;//根据ID获取留言信息
        int result = LinkDB.ExecuteSql(strSql.ToString());//执行更新语句
        if (result == 1)
        {
            MessageBox.ShowAndRedirect(this, "回复成功", "liuyanguanli.aspx");
        }
        else
        {
            Response.Write("<script>javascript:alert('系统错误');</script>");
        }
    }
}