LINQ Method Syntax

Hi kerenshor, 

you can refer to my articles below

https://www.c-sharpcorner.com/article/linq-methods/

https://www.c-sharpcorner.com/article/misconceptions-about-the-four-linq-methods/

Also, on YouTube, you can refer to Kudvenket 

https://www.youtube.com/playlist?list=PL6n9fhu94yhWi8K02Eqxp3Xyh_OmQ0Rp6

https://www.youtube.com/playlist?list=PL6n9fhu94yhX-U0Ruy_4eIG8umikVmBrk

https://www.youtube.com/playlist?list=PL6n9fhu94yhXCHPed2Q9oBkgvzw9Re8hC

Hello Keronshor,

Please find below links which will help you,

https://www.c-sharpcorner.com/article/linq-for-beginners/

https://www.c-sharpcorner.com/article/linq-extension-methods/

https://www.c-sharpcorner.com/article/linq-extension-methods-element-and-set-operator-part-thre/

https://www.tutorialsteacher.com/linq

I wanna to add: Programming in Practice - LINQ to SQL - Explained at

Let me know in case of questions or doubts you may have.

For a good LINQ concepts tutorial, here are some recommended resources and key concepts to explore:

### Online Tutorials:
1. **[Microsoft Docs: LINQ (Language Integrated Query)](https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/concepts/linq/)**  
   A comprehensive guide from Microsoft, covering all aspects of LINQ, including syntax, usage, and examples.
   
2. **[LINQ Tutorial by TutorialsTeacher](https://www.tutorialsteacher.com/linq)**  
   This is an easy-to-follow tutorial with examples on how LINQ works. It covers LINQ syntax, methods, and the most common operations like filtering, projection, and aggregation.

3. **[LINQ Samples by DotNetFiddle](https://dotnetfiddle.net/)**  
   You can practice LINQ queries online with real-time execution and examples to test different LINQ scenarios.

4. **[LINQPad](https://www.linqpad.net/)**  
   LINQPad is an interactive tool for writing LINQ queries. It’s widely recommended for learning as it allows you to test LINQ queries directly with a rich interface.

### Key Concepts to Focus On:
1. **LINQ Syntax:**
   - Query Syntax (`from x in ... select ...`) vs. Method Syntax (`.Where(...).Select(...)`).
   
2. **LINQ to Objects:**
   - Basic operations such as `Select`, `Where`, `GroupBy`, `OrderBy`, `Join`, etc.
   
3. **Deferred vs Immediate Execution:**
   - Understanding when queries are executed, i.e., how `IEnumerable` vs `IQueryable` behaves with LINQ.
   
4. **LINQ to Entities:**
   - How LINQ works with Entity Framework for querying databases using `DbSet`.

5. **Projection and Transformation:**
   - Use of `Select`, `SelectMany` to transform data into different shapes.

With these tutorials and concepts, you'll be able to grasp LINQ fundamentals quickly!