HP Intelligent Management Center Standard Software Platform - Manual (Page 219)

2. Select the field you want the data grouped by from the top drop-down list.
3. Select the sort direction from the second drop-down list.
Note:
If you want to use a formula for the sort order of your group, see Sorting
groups conditionally .
4. If you want to show a different value in the group header, click the Options
tab.
Note:
By default, the group header of the report will display the value of the field
you are grouping on.
5. Select the Customize Group Name Field check box and choose a new
group name.
For example, if you grouped by {Customer.CustomerID}, at each change
of a group you will see the corresponding customer ID. If you want to
display a different value (customer ID as well as customer name),
customize the group name field by choosing an alternate data field, or
creating a formula.
Crystal Reports 2008 SP3 User's Guide 219
10 Sorting, Grouping, and Totaling
Grouping data