protected void Button3_Click(object sender, EventArgs e) //export
{
    GridView2.AllowPaging = false;
    GridViewExportUtil.Export("Сводка.xls", this.GridView2);
    GridView2.AllowPaging = true;
}
I need to avoid pageing for XLS export :-/
protected void Button3_Click(object sender, EventArgs e) //export
{
    GridView2.AllowPaging = false;
    GridViewExportUtil.Export("Сводка.xls", this.GridView2);
    GridView2.AllowPaging = true;
}
I need to avoid pageing for XLS export :-/
you can achieve like this... have a try please
protected void btnExportExl_Click(object sender, EventArgs e)
{
    grd.Allowpaging = false;
    grd.DataBind(); // you need to rebind the gridview
    grd.RenderControl(htw);
    Response.Write(sw.ToString());
    Response.Flush();
    Response.End();
    grd.Allowpaging = true;//Again do paging to gridview
    grd.DataBind();
}