protected void ComboBoxYear_Init(object sender, EventArgs e) { ASPxComboBox combo = sender as ASPxComboBox; combo.DataSource = HLSSOA.HLSSOAYear(); ListBoxColumn lv = new ListBoxColumn(); lv.Width = 0; lv.FieldName = "sYear"; lv.Caption = "Select Year"; combo.Columns.Add(lv); combo.ValueField = "sYear"; combo.TextField = "sYear"; combo.DataBind(); combo.ItemStyle.Wrap = DevExpress.Utils.DefaultBoolean.True; }