Data analysis requires reports with a drop-down list. Using data grouping, but with the ability to hide or display data by mouse click. This is not only very convenient, but also beautiful.
The essence of a Master-Detail report is a one-to-many relationship between data entities. That is, one record in the main table corresponds to several in the subordinate table.
FastReport .NET provides a plug-in manager application. It allows you to select the ones you need to connect before starting the report designer. After all, restarting after adding the plugin is not convenient.
How to use SQL queries when creating an internal report data source in FastReport .NET report designer
To select report data, you are connected to SQL. Source tools include parameters in the request; it depends on the DBMS. For MS SQL, this is the @ prefix, and for Access, the "?" Character.
FastReport .NET 2019-Bezier curves finally appeared – which means vector graphics. Now the Polygon section has appeared on the Home tab, where we can create polygons and change the curvature of the segment.