protected void DLdonekc_ItemDataBound(object sender, DataListItemEventArgs e) { int Wcid = Int32.Parse(DLdonekc.DataKeys[e.Item.ItemIndex].ToString()); LearnSite.BLL.Works bll = new LearnSite.BLL.Works(); int Rgrade = Int32.Parse(DDLgrade.SelectedValue); int Rclass = Int32.Parse(DDLclass.SelectedValue); ((Label)e.Item.FindControl("wk")).Text = bll.HowCourseWorks(Wcid, Rgrade, Rclass); }