LINQ Operator in C#

LINQ stands for Language Integrated Query and is Microsoft’s advanced data access technology that is used to query collections of data.

The collections can be of two types:


1.  local collections such as collections belonging to the System.Collections namespace  and the              System.Collections.Generic spaces

e.g.       List<T>,Dictionary, HashSet etc


2.  Other collections are remote collections such as an XML document or a database table

Syntax of LINQ

There are two syntaxes of LINQ. These are the following ones.

·         Lamda (Method) Syntax

Example

var longNames = Names.Where( n => n.length > 10);

·         Query (Comprehension) Syntax

Example

var longNames = from n in Names where n.length > 10;