Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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Visual Studio 2022 Report designer is not showing reports created with Visual Studio 2019
This happens because VS 2022 needs the report designer extension installed.
Try this:
Go to Extensions → Manage Extensions.
Search for Microsoft RDLC Report Designer.
Install it and restart Visual Studio.
After that, the reports from VS 2019 should open normally.