houtai/reply.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
namespace 电子商务.houtai
{
    public partial class reply : System.Web.UI.Page
    {
        SQLHelper db = new SQLHelper();
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                int id = int.Parse(Request.QueryString["id"].ToString());
                string sql = "select * from book where book_id=" + id;
                DataTable dt = db.ExecuteQuery(sql, CommandType.Text);
                this.lb_content.Text = dt.Rows[0]["neirong"].ToString();
                this.lb_userid.Text = dt.Rows[0]["username"].ToString();
            }
        }
        
        //
        protected void Button1_Click(object sender, EventArgs e)
        {
            int id = int.Parse(Request.QueryString["id"].ToString());
            string reply = this.txt_reply.Text.ToString();
            string sql = "update book set remark='" + reply + "' where book_id=" + id;
            db.ExecuteNonQuery(sql, CommandType.Text);
            Response.Write("<script>alert('回复成功！');location='booklist.aspx'</script>");
        }
    }
}