检索后分页问题:某页面有两个查询,每个查询都要把查得结果分页(分页是通过GridView自带的分页功能实现),现在查询后点第二页,页面显示的结果集又回到查询之前。请教如何修改!!!
protected void Page_Load(object sender, EventArgs e)
        {
                if (!Page.IsPostBack)
                {
                   GridViewBind();
                }   
        }        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridView1.PageIndex = e.NewPageIndex;
            GridViewBind();
        }
 private void GridViewBind()
        {
            ...
            this.GridView1.DataSource = list;
            this.GridView1.DataBind();
        }
protected void Search1_Click(object sender, EventArgs e)
       {
            ...
            this.GridView1.DataSource = list;
            this.GridView1.DataBind();
        }
protected void Search2_Click(object sender, EventArgs e)
       {
            ...
            this.GridView1.DataSource = list;
            this.GridView1.DataBind();
        }