DevExpress Reports for Delphi/C++Builder – Filter Data Records in a Report

This example allows you to select individual dataset records in a DevExpress VCL Data Grid control and display selected records in a built report using the Report Viewer dialog. Source data is stored in a memory-based dataset (TdxMemData inherited from the TDataSet class shipped with the standard VCL library).

Prerequisites

DevExpress Reports Prerequisites

Test the Example

Run the sample app and check any records in a table:

Click the Preview Report button to display a report containing all selected records in the Report Viewer dialog.

Documentation

• Introduction to DevExpress Reports for Delphi/C++Builder
• Tutorial: Create a table report using the Report Wizard
• Use JSON as a data source for dashboards (as demonstrated in the current example)
• Store report layouts in REPX files at design-time
• API reference:
  • TdxReport
  • TdxReport.ReportName (internal report name that is not included in the layout)
  • TdxReport.Layout (an XML-based layout template that can be stored in a BLOB data field)
  • TdxReport.ShowViewer
  • TdxMemData (DevExpress in-memory dataset implementation)
  • TDataSet (contains generic database connection methods)
  • TdxBackendDataSetJSONConnection (supplies data to reports)

More Examples

• Store report layouts in REPX files
• Store report layouts in a Database
• Generate reports in a backend / service application
• Localize Report Viewer and Report Designer dialogs

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