protected void gvindexcircularvalues()
 {
     Circulars_Info_ByyearTableAdapter cirinfo = new Circulars_Info_ByyearTableAdapter();
     DataTable dtinfo = cirinfo.CircularsInfoByyear(year, category);
     if (dtinfo.Rows.Count > 0)
     {
         gvindexcircular.DataSource = dtinfo;
         gvindexcircular.DataBind();
     }
 }