SelectMany Example in LINQ and C#

Published on July 26, 2013 by abundantcode

Filed under LINQ

Last modified July 26, 2013

Print this page

rate 1 star rate 2 star rate 3 star rate 4 star rate 5 star
Your rating: none, Average: 0 (0 votes)

This article have been viewed 8350 times

Below is a sample source code demonstrating the usage of the SelectMany method in LINQ and C#. One of the usage of the SelectMany is to return the flat list an avoid returning the lists of lists.

SelectMany Example in LINQ and C#

using System;

using System.Collections.Generic;

using System.Data;

using System.Linq;

namespace AbundantCode

{

internal class Program

{

//SelectMany Example in LINQ and C#

private static void Main(string[] args)

{

List<CodeSnippet> snippets = new List<CodeSnippet>()

{

new CodeSnippet { Code = "1" , Name = "Abundantcode1"},

new CodeSnippet { Code = "2" , Name = "Abundantcode2"},

new CodeSnippet { Code = "3" , Name = "Abundantcode1"},

new CodeSnippet { Code = "4" , Name = "Abundantcode2"},

new CodeSnippet { Code = "5" , Name = "Abundantcode4"}

};

List<Language> languages = new List<Language>()

{

new Language { SampleSnippet = snippets.Where(a=>a.Name=="Abundantcode1").ToList()},

new Language { SampleSnippet = snippets.Where(a=>a.Name=="Abundantcode2").ToList()}

};

IEnumerable<CodeSnippet> CodeSnippets = languages.SelectMany(p => p.SampleSnippet);

foreach (var item in CodeSnippets)

Console.WriteLine(item.Name);

Console.ReadLine();

}

}

public class CodeSnippet

{

public string Name { get; set; }

public string Code { get; set; }

}

public class Language

{

public List<CodeSnippet> SampleSnippet { get; set; }

}

}

SelectMany Example in LINQ and C#

Leave a Comment


x

You might be Interested in these Posts

How to download a file from a URL using C#?

You can use the WebClient class in C# to download a file. How to download a file from a URL using C...

How to Create an Empty array without defining the size in C# ?

When we create an array in C# , we tend to define the size of the array as shown below. String[] st...

Angular 2 - Video Tutorials and learning materials for Angular 2

Do you want to learn and build web and mobile apps using Angular 2 ?. You can find the list of tutor...