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Lesson 10 - More on LINQ operators

C# .NET Collections and LINQ More on LINQ operators

In the previous lesson, LINQ operators in C# .NET, we started going over LINQ query operators. In today's tutorial, we're going to continue learning about operators.

Element operators

Since queries always returns a collection, there are operators with which we can access a particular element directly.

First

Returns the first element of a query result. This one is useful mainly in cases where we're only interested in the first result or if the query only returns a single element.

int[] numbers = { 3, 5, 8, 5, 9, 1, 3, 4 };

var number = (from n in numbers
             where (n > 5)
             select n).First();

The query will select:

8

First with a condition

If we need to save our work, in some cases, we may specify the condition right into the First() method:


 

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We'll describe some more LINQ operators which you can use in LINQ queries in C# .NET. These will be first, last, range, repeat, any, all, sum, min and max.

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Article has been written for you by David Capka
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