Devexpress XtraReport filter - apply filter- ASPxWebDocumentViewer

XtraReport rep = new XtraReport2(); rep.LoadLayout(Server.MapPath("//Reports//Report1.repx")); rep.FilterString = "KULLANICIADI='" + clsKullanici.pr_KullaniciAdi + "' "; rep.ApplyFiltering(); this.ASPxWebDocumentViewer1.OpenReport(rep);