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Hi, my name is Marco. Working as a Senior Software Architect at Philips. This blog is statically generated using Next.js.

I wrote my first blog March 2011. Mostly I'm writing on software development. In total I wrote 67 articles in 6 categories. Use search below to filter by title or click a category or tag to filter by tag or category.

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Delegate your equality comparisons

Marco Franssen

Marco Franssen /

When using Linq on your Entity Framework objects, you often need to distinct your query results. Therefore you need to implement an IEqualityComparer for the more advance scenario's. For example if you want to distinct on a specific property, or maybe on multiple properties. However this forces you to write lots of infrastructure code to distinct each type. You probably would end up with several equality compare classes like this. However there is a solution which will save you the work to w…