protected void GridViewSpamTopic_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridViewSpamTopic.PageIndex = e.NewPageIndex;
            var topics = GetAllTopics();

            GridViewSpamTopic.DataSource = topics;
            GridViewSpamTopic.DataBind();
        }
        private void FillSpamTopicGrid()
        {
            var topics = GetAllTopics();

            GridViewSpamTopic.DataSource = topics;
            GridViewSpamTopic.DataBind();
            GridViewSpamTopic.PageIndexChanging += GridViewSpamTopic_PageIndexChanging;
        }