Reporting User Guide

Reference : Report Bands : Group Header and Footer Bands
The Group Header and Group Footer bands are shown above and below each group. See Change or Apply Data Sorting to a Report for additional information.
Group Header bands may be used for grouping by multiple data fields in one of the following ways:
1.
Add several Group Header bands. Specify one group field for each of these bands. This results in nested grouping of the report's data.
2.
Specify several group fields for the Group Fields property of the Group Header band. The data will be grouped by certain combinations of field values.
The Group Footer band is unnecessary without the corresponding Group Header band. When present, it allows customisation by providing a set of properties similar to those of the Group Header.
In the Property Grid, the properties of these bands are divided into the following groups.
Displays the Formatting Rules Editor which enables users to choose which rules should be applied to the band during report generation, and define the precedence of the applied rules. Refer to Conditionally Change a Control's Appearance for further information.
This property is available for the Group Header band only. It displays the Group Field Collection Editor, enabling users to add and remove grouping fields, define a data field to be used as a grouping criteria and the grouping order (ascending or descending).
Determines whether group rows can be printed on different pages (in this case both Group Union and Group Footer Band.Group Union are set to None), or the entire group will be printed on a single page (if Reporting 324).
Also, if a group can be split across pages, but if Group Headers are not to be printed on a page if there is no data row below it (in case a group starts at the bottom of the page and there is enough room for only a Group Header), set the Group Union to With First Detail property. In this case, if a Group Header is alone on a page, it will be moved to the beginning of the next page.
The same option can be applied to Group Footers. To prevent them being printed alone on a page, set the Group Union to With Last Detail property. The last group row from the previous page will be moved to the next page to be printed together with a Group Footer.
Specifies the nesting level of a group band. The lower the level number, the closer the group band is to the Detail band. The lowest setting is zero. This is the parameter that identifies the Group Header / Group Footer band pairs.
Use this property if the current report design requires that the band's section should be separated from previous sections or follow-ups. Specify the Before the Band or After the Band values to insert a page break before or after the current band. In many cases, this property may be used instead of the Page Break control.
This property is available for the Group Footer band only. It determines whether the band should be printed at the bottom of a page, or immediately after the last group's details.
If a report contains several Group Footers with their Print at Bottom properties set to different values, then the outer Group Footer has the highest priority.
This feature is helpful when the Page Break property of the Group Header band is set to After the Band. In this instance each group starts a new page, and the Group Footer has two distinct places to reside - after the last row, or at the bottom of the page.
Determines a band's name, by which it can be accessed in the Report Explorer, Property Grid or via scripts

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