Chapter 21
Querying in-memory data by using query expressions
After completing this chapter, you will be able to:
Define Language-Integrated Query (LINQ) queries to examine the contents of enumerable collections.
Use LINQ extension methods and query operators.
Explain how LINQ defers evaluation of a query and how you can force immediate execution and cache the results of a LINQ query.
You’ve now met most of the features of the C# language. However, so far I have glossed over one important aspect of the language that will likely be used by many applications: the support that C# provides for querying data.
You’ve seen that you can define structures and classes to model data and that you can use collections and arrays to temporarily store data ...
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