protected void Button1_Click(object sender, EventArgs e)
        {
            userinfo user = new userinfo();

            if (message == "0")   //发布新闻
            {
                if (user.InsertNews(this.TextBox1.Text.Trim(), this.TextBox2.Text.Trim(), Session["userName"].ToString()) == 100)
                {
                    this.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('库中已经有要发布的标题,无法重复发布!');</script>");
                    return;
                }
                else
                {
                    Server.Transfer("News.aspx");
                }
            }
            else if (message == "1")  //修改新闻
            {
                user.modifyNews(this.TextBox1.Text.Trim(), this.TextBox2.Text.Trim(), Session["newsidqwer"].ToString());
                Server.Transfer("News.aspx");
            }
        }