When To Use FirstOrDefault with Linq Expression
FirstOrDefault is a Linq expression that returns the first element of a sequence or a default value (which is usually null) when no element is found. First is similar, but throws an error when no element is found. FirstOrDefault is usually preferred to First because it does not throw an …
Unit Testing Entity Framework Database Update logic with NSubstitute
In the previous post (UnitTesting ASP.NET Web API by Mocking DbContext with NSubstitute), we explored how to create a unit test for getting data from database with Entity Framework by mocking DbContext and DbSet. We are going to build upon the API we created previously and add PUT logic where …
Creating Web APIs using ASP.NET and MySQL in 5 minutes
Creating a web API that interact with a database with C# is quite easy thanks to ASP.NET and Entity Framework. Building API with ASP.NET is essentially creating a MVC application without View. If you learn how to create a website with ASP.NET, you can apply the skills directly to API …