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  • Blog Post: How can I get objects and property values from expression trees?

    This is a follow-up to the Getting Information About Objects, Types, and Members with Expression Trees post, so I would recommend that you read that one first. Among other code examples in that blog post, I demonstrated how you can get a property name as a string by using expression trees. Here is the...
  • Blog Post: Getting Information About Objects, Types, and Members with Expression Trees

    Starting with C# 3.0 and Visual Studio 2008, you can use expression trees to get information about objects, types, and members. In this post I’m going to show some examples and explain what benefits you can get by using this technique. If you are not familiar with expression trees, I would recommend...
  • Blog Post: How to use LINQ methods to compare objects of custom types

    LINQ provides a convenient syntax and many useful methods for operating with collections of objects. However, to be correctly processed by LINQ comparison methods such as Distinct or Intersect , a type must satisfy certain requirements. Let’s take a look at the Distinct method, which returns all distinct...
  • Blog Post: Does the “LINQ to Objects” provider have built-in performance optimization?

    Let’s start with the basics and maybe repeat some information that many of you already know. One of the most important concepts in LINQ performance and optimization is, of course, deferred execution. It simply means that when you declare a variable and assign it a query expression, that expression is...
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