public void BindEvaluationFeedbackCategories()
    {
        int rowcount = ucCustomPagerItems.isCountRecord;

        string sortbycoloumn = (ViewState["SORTBYCOLOUMN"] == null) ? null : (ViewState["SORTBYCOLOUMN"].ToString());
        int?   sortdirection = null; if (ViewState["SORTDIRECTION"] != null)
        {
            sortdirection = Int32.Parse(ViewState["SORTDIRECTION"].ToString());
        }

        DataTable dt = objBLL.EvaluationFeedbackCategories_Search(txtfilter.Text != "" ? txtfilter.Text : null, sortbycoloumn, sortdirection
                                                                  , ucCustomPagerItems.CurrentPageIndex, ucCustomPagerItems.PageSize, ref rowcount);


        if (ucCustomPagerItems.isCountRecord == 1)
        {
            ucCustomPagerItems.CountTotalRec = rowcount.ToString();
            ucCustomPagerItems.BuildPager();
        }

        if (dt.Rows.Count > 0)
        {
            gvRankCategory.DataSource = dt;
            gvRankCategory.DataBind();
        }
        else
        {
            gvRankCategory.DataSource = dt;
            gvRankCategory.DataBind();
        }
    }