Groups are used to arrange data items based on their group values (TitleIndexItem.GroupValue). Items within groups are represented in one column, while groups can be arranged into multiple columns. Groups, however, can be represented as categories (ASPxTitleIndex.Categorized). Categories are displayed one after another while data items within a category can be arranged into multiple columns. The number of columns in both instances is specified by the ASPxTitleIndex.ColumnCount property.
The table below lists the main members which affect the element's appearance and functionality: