Crystal Reports for Eclipse Developer Guide

To report off a runtime data source

With a runtime data source, you can take data from any source—such as a database, a data stream, or a flat file—manipulate it with the programming language of your choice, and then apply it to the report.
  1. Put your manipulated data in a rowset form that can be processed.
    See the com.crystaldecisions.sdk.occa.report.data.IRowset interface API Reference documentation for details about how to create and represent data in rowsets.
  2. Create and fill an com.crystaldecisions.sdk.occa.report.data.IDataset object with the rowset data.
  3. Add or set the data source with either the addDataSource or setDataSource methods of the com.crystaldecisions.sdk.occa.report.application.DatabaseController class.

Note: If you create a report that is based on a data set, the data that is used is not saved with the report. To populate the report with data the next time you open it, you must either re-apply the data source to see current data, or access a saved version of the data source for preview.



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