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Asked: 2026-05-10T14:16:27+00:00

I’ve read that Lambda Expressions are an incredibly powerful addition to C#, yet I

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I’ve read that Lambda Expressions are an incredibly powerful addition to C#, yet I find myself mystified by them. How can they improve my life or make my code better? Can anyone point to a good resource for learning such expressions?

They seem cool as hell, but how do they relate to my day-to-day life as an asp.net developer?

Edit: Thanks for the examples, and thanks for the link to Eric White’s articles. I’m still digesting those now. One quick question: are lambda expressions useful for anything other than querying? Every example I’ve seen has been a query construct.

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  1. : are lambda expressions useful for anything other than querying

    Lamba expressions are nothing much other than a convenient way of writing a function ‘in-line’.

    So they’re useful any place you wanted a bit of code which can be called as though it’s a separate function but which is actually written inside its caller. (In addition to keeping related code in the same location in a file, this also allows you to play fun games with variable scoping – see ‘closures’ for a reference.)

    An example of a non-query-related use of a lamba might be a bit of code which does something asynchronously that you start with ThreadPool.QueueUserWorkItem. The important point is that you could also write this using anonymous delegates (which were a C#2 introduction), or just a plain separate class member function.

    This http://blogs.msdn.com/jomo_fisher/archive/2005/09/13/464884.aspx is a superb step-by-step introduction into all this stuff, which might help you.

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