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Entity Framework Core Cookbook - Second Edition by Ricardo Peres

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Creating filtered collections

Sometimes, you may want to always return entities that match certain restrictions. For example, you may want to return orders that have been processed or are in a particular state. This recipe will explain how we can achieve that.

Getting ready

We will be using the NuGet Package Manager to install the Entity Framework Core 1 package, Microsoft.EntityFrameworkCore. We will also be using a SQL Server database for storing the data, so we will also need Microsoft.EntityFrameworkCore.SqlServer.

Finally, xunit is the package we will be using for the unit tests and dotnet-text-xunit adds tooling support for Visual Studio. Note that the UnitTests project is a .NET Core App 1.0 (netcoreapp1.0), that Microsoft.EntityFrameworkCore.Design ...

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