LiuYan.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;

public partial class LiuYan : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (!IsPostBack)
            {
                GetInfo();

            }
        }
    }
    private void GetInfo()
    {
        string Sql = "select * from TB_Message order by MessageTime desc";
        DataSet result = DBHelper.GetDataSet(Sql);
        this.dlTopic.DataSource = result.Tables[0];
        this.dlTopic.DataBind();


    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (Session["MemberName"] != null)
        {


            string uname = "";
            if (Session["MemberName"] != null)
            {
                uname = Session["MemberName"].ToString();
            }
            else
                uname = "匿名";
            string sql = "insert into TB_Message(MessageUser,MessageContent) values ('" + uname + "','" + this.TextBox1.Text + "')";
            bool b = DBHelper.ExecSql(sql);
            if (b)
            {
                GetInfo();
                Response.Write("<script language='javascript'>alert('留言成功！');document.location=document.location;</script>");
            }
            else
            {
                Response.Write("<script language='javascript'>alert('留言失败！');document.location=document.location;</script>");
            }
        }
        else
        {