FastReport Open Source Blog

ASP.Net Core allows you to create Web API applications as well as the usual ASP.Net. Such Restful Web API applications are extremely popular right now. Therefore, it would be nice to learn how to use FastReport for distribution via the API reports. In this article, we will create a demo WebAPI application that allows you to download or view reports in two formats: html and png. 

When you create a web report for FastReport Open Source, you use a database to construct a template. You create an internal connection to the data source and add table fields to the report page. But, when the report is used in real conditions, the database specified in the internal connection may not be available. And then you will see such kind of error.