Linq

Question

hi to all iam new to c# can anyone explain about Linq,how to use it , please give some easy examples

srinivas reddy · Answer

Hello Friend For the most part, LINQ is all about queries, whether they are queries returning a set of matching objects, a single object, or a subset of fields from an object or set of objects. In LINQ, this returned set of objects is called a sequence. Most LINQ sequences are of type IEnumerable , where T is the data type of the objects stored in the sequence. For example, if you have a sequence of integers, they would be stored in a variable of type IEnumerable . You will see that IEnumerable runs rampant in LINQ. Many of the LINQ methods return an IEnumerable . In the previous examples, all of the queries actually return an IEnumerable or a type that inherits from IEnumerable . However, I use the var keyword for the sake of simplicity at this point, which is a new shorthand technique that I cover in Chapter 2. You will see that the examples will begin demonstrating that sequences are truly stored in variables implementing the IEnumerable interface.

Linq

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