This section explains what happens when you run a report.
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Running reports on the RoleTailored client is different. For more information, see Designing Reports for the RoleTailored Client. |
When a Report Runs
When you initiate the report run, the OnInitReport trigger is called. This trigger performs any processing that is necessary before the report is run. It can also stop the report. If the OnInitReport does not end the processing of the report, the request form for the report is run, if it is defined. Here, you select the options that you want for this report. You can also decide to cancel the report run. If you decide to continue, the OnPreReport trigger is called. At this point, no data has yet been processed. When the OnPreReport trigger has been executed, the first data item is processed provided that the processing of the report was not ended in the OnPreReport trigger.
When the first data item has been processed, the next data item, if there is any, is processed in the same way. When there are no more data items, the OnPostReport trigger is called to do any necessary post processing, for example, removing temporary files.
How a Data Item is Processed
Before the first record is retrieved, the OnPreDataItem trigger is called, and after the last record has been processed, the OnPostDataItem trigger is called.
Between these two triggers, the data item records are processed. Processing a record means executing the record triggers and outputting sections. C/SIDE also determines whether the current record should cause the outputting of a special section, such as a header, footer, group header or group footer.
If there is an indented data item, a data item run is initiated for this data item (data items can be nested 10 levels deep).
When there are no more records to be processed in a data item, control returns to the point from which processing was initiated. For an indented data item, this means the next record of the data item on the next highest level. If the data item is already on the highest level indentation is zero control returns to the report.