Most reports display some data. Typically, this data is obtained from databases. Therefore, the report has a connection to the data source in order to have a list of available tables and fields, as well as the data itself. But what if at the time of writing the report, you only had a local database ...
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Despite the fact that FastReport.Net provides us with a plugin for the report designer to use as a data source for the JSON file, it is not always suitable. This plugin works well with single-level data representing a separate table. In cases where the data has multiple levels of nesting, you will h...