Specifies how groups of records should be split across pages, if required.
A group is printed so that it is split across several pages, if there isn't enough space on a page to print the entire group.
A group is printed entirely on a single page (including its group header, rows and footer). This means that if there isn't enough space on a page to print the entire group, this group is printed on the following page.
A group is split across several pages "as is". However, if there isn't enough space on a page to print a Group Header together with the following group row, they both are moved to the next page, so that a Group Header is never printed on a page alone (with no group rows below it).
Related API Members
The following properties accept/return GroupUnion values:
Use this enumeration's members to determine how groups of records should be split across pages, if the group's length exceeds the remaining space on the page on which the group begins.
Values listed in this enumeration are used by the GroupInfo.Union property.