There are scenarios where one might want to implement multiple order by statements when using LINQ in C#.
For example, you might want to sort the list of article by category and then by date. Below is a sample code snippet that demonstrates how to How to Implement Multiple order by in LINQ using C# ?
How to Implement Multiple order by in LINQ using C#?
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
namespace AbundantCode
{
internal class Program
{
//How to Implement Multiple order by in LINQ using C# ?
private static void Main(string[] args)
{
List<Article> Articles = new List<Article>();
Articles.Add(new Article { Title = "LINQ Program1 ", Category = "C#", ArticleDate = new DateTime(2013, 5, 1) });
Articles.Add(new Article { Title = "LINQ Program2 ", Category = "VB.NET", ArticleDate = new DateTime(2013, 1, 1) });
Articles.Add(new Article { Title = "LINQ Program4 ", Category = "Java", ArticleDate = new DateTime(2013, 2, 1) });
Articles.Add(new Article { Title = "LINQ Program3 ", Category = "C#", ArticleDate = new DateTime(2013, 1, 3) });
var articlelst = Articles.OrderBy(c => c.Category).ThenBy(n => n.ArticleDate);
foreach (var item in articlelst)
{
Console.WriteLine(item.Title);
}
Console.ReadLine();
}
}
public class Article
{
public string Title { get; set; }
public string Category { get; set; }
public DateTime ArticleDate { get; set; }
}
}