The myth of where clause in LINQ statement

When you visit LINQ 101 (http://code.msdn.microsoft.com/101-LINQ-Samples-3fb9811b) you will find a piece of code

{

  int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };

 

  var lowNums =

      from n in numbers

      where n < 5

      select n;

 

  Console.WriteLine(“Numbers < 5:”);

  foreach (var x in lowNums)

  {

    Console.WriteLine(x);

  }

}

 

The best part is missing. You can change

 

  var lowNums =

      from n in numbers

      where n < 5

      select n;

to

 

  var lowNums = numbers.Where(n => n < 5);

 

You get the same result.

 

Download the complete code from http://skydrive.live.com. The sample file name is ConAppLINQWhere.rar. My MSN ID is chanmmn@hotmail.com.

About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress (http://www.pcworld.com/article/206455/Microsoft_Live_Spaces_Moves_to_WordPress_An_FAQ.html) till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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One Response to The myth of where clause in LINQ statement

  1. LINQ method syntax not always better than query syntax, especially in complex queries with serveral joins. So this is not a myth, just “In general, we [MSDN] recommend query syntax because it is usually simpler and more readable”

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