re.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 re : System.Web.UI.Page
{
   public int id;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["admin"] != null && Request.QueryString["id"].ToString() != null)
        {
            id = Convert.ToInt32(Request.QueryString["id"]);
        }
        else
        {
            Response.Write("<script>alert('不能操作!');location.href='login.aspx';</script>");
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {  
        
        try
        {
            SqlConnection conn = DB.createdb();
            conn.Open();
            SqlCommand cmd = new SqlCommand("update book set isrely=1,rebody='" + this.TextBox1.Text + "' where id="+id, conn);
            cmd.ExecuteNonQuery();
            conn.Close();
            Response.Write("<script>alert('回复成功!');location.href='index.aspx';</script>");
        }
        catch
        {
            Response.Write("<script>alert('回复失败!服务器错误!');</script>"); 
        }
    }
}