Why do I get “Database logon failed” in Crystal Reports when using .NET object as datasource?

Question

I am creating a simple report using a .NET object from my project as datasource, using SetDatasource() method. However, when I run the report I get \"Database l

Answer 1

I was struggling with this error for a couple of days. I have a .NET webforms project which uses CrystalReportViewer to load a Crystal Report. Instead of the report loading, I kept getting "Database logon failed".

I opened the RPT file in Crystal Report Designer and went to Database -> Verify Database

This gave me a more specific error. FINALLY!!!

I tracked down the XSD file, moved it to the right location and BOOM