The ItemPrerender event occurs after data have been selected from the database but before its outputting to client.
connector.ItemPrerender += new EventHandler<ItemPrerenderEventArgs<dhtmlxTreeDataItem>>(connector_ItemPrerender); void connector_ItemPrerender(object sender, ItemPrerenderEventArgs<dhtmlxTreeDataItem> e) { if (e.DataItem.DataFields["is_hidden"] == "1") e.DataItem.LeafImage = "lock.gif"; }
In this event connector_ItemPrerender method receives reference to the data item object currently being rendered. This object has different methods for different client side components.