public RsCheckBoxTemplateField() { container = new TemplateOwner(); header = new RsCheckBoxListTemplate(ListItemType.Header); header.InstantiateIn(container); this.HeaderTemplate = header; this.HeaderStyle.VerticalAlign = VerticalAlign.Middle; this.HeaderStyle.HorizontalAlign = HorizontalAlign.Center; item = new RsCheckBoxListTemplate(ListItemType.Item); item.InstantiateIn(container); this.ItemTemplate = item; }