Modern Data Access with Entity Framework Core: Database Programming Techniques for .NET, .NET Core, UWP, and Xamarin with C#

© Holger Schwichtenberg 2018

Holger SchwichtenbergModern Data Access with Entity Framework Core https://doi.org/10.1007/978-1-4842-3552-2_14

14. Dynamic LINQ Queries

Holger Schwichtenberg¹ 

(1)

Essen, Germany

 

One of the benefits of Language Integrated Query (LINQ) is that compilers can validate the instructions at design time. However, there are some real-world cases in which the executing command is not completely established at design time, for example, because the user selects from a number of drop-down filters on a screen. This chapter shows ways to make LINQ commands dynamic partially or fully in conjunction with Entity Framework Core.

Creating LINQ Queries Step-by-Step

LINQ queries are not executed until you execute a conversion operator (called ...