brief description of LINQ

Question

sir Please give briefly description of LINQ and why use of it.

Michal Habalcik · Answer

Hi L anguage I ntegrated Q uery (LINQ) is a set of data querying features that was released as a major part of .Net Framework 3.5. While syntaxicaly very similar to SQL  LINQ provides powerful out-of-the-box query capabilities to C# and Visual Basic that allow querying and updating a large variety of data stores and structures. Natively it provides assemblies that enable its use with collections SQL databases datasets and XML documents. The technology is easy to learn and can be extended to support potentially any kind of data store. More on the following links: WikiPedia - Language Integrated Query MSDN - LINQ (Language-Integrated Query)

Rahul Singh · Answer

Hi Randhir You can mark it as answer if that helped :)

Randhir kumar · Answer

Dear sir Your answer is very helpful for me.so i am very thankful for this. with best regards Randhir kumar

Rahul Singh · Answer

Hi Randhir Language Integarted Query( LINQ ) was introduced in C# 3.0 & .NET framework 3.5  the idea behind this was suppose some day we are working on SQL server database so we need to learn SQL server syntax Sql related ADO.NET objects. Now suppose after some time we switched to a Oracle database  so again we need to garb command on oracle related syntax & oracle related ADO.NET objects to work with C# so basically this problem arises with the number of technologies we adapt we need to learn all of them. So basically to avoid this Microsoft introduced LINQ where we can not only work with collections populated from database but with various other data sources as well like XML file a in-memory datatable etc. We can even use LINQ when working with Reflections . In .Net any datasource which implements IEnumerable interface can be used for querying filtering grouping ordering & projecting data. We can use LINQ queries in two ways:- 1. Query Syntax 2. Methos Syntax Many times we use a combination of both. Now with the evolution of entity framework the imporatnce of LINQ has grown much much higher as compared to old times. You can read about it on MSDN:- http://msdn.microsoft.com/en-us/library/bb397676.aspx

Jitendra Kumar · Answer

Hi Randhir See links :- http://msdn.microsoft.com/en-us/library/bb397933.aspx http://codesamplez.com/linq-tutorials http://www.c-sharpcorner.com/1/180/