TdxSpreadSheetReportDataGroups Class

A collection of data groups in a master or detail dataset link.

Declaration

delphi

TdxSpreadSheetReportDataGroups = class(
    TdxSpreadSheetReportSortedFields
)

Remarks

This class implements the dataset record grouping functionality for the bound master and detail datasets, allowing you to group data in both simple and multi-level reports.

The TdxSpreadSheetReportDataGroups class provides the following members that allow you to:

Manage data groups (Add, BeginUpdate, Clear, Delete, EndUpdate, and Insert);
Identify the data group count (Count);
Access individual data groups (Items);
Access the data controller corresponding to the bound dataset whose data is grouped (DataController);
Identify the Report Designer to which this data group collection belongs (Designer).

A TdxSpreadSheetReportDataGroups object is referenced by:

The DataGroups property provided by the TdxSpreadSheetReportDataBinding class;
The DataGroups property provided by the TdxSpreadSheetReportDetail class.

Inheritance

TObject TPersistent TCollection TOwnedCollection TdxSpreadSheetReportSortedFields TdxSpreadSheetReportDataGroups