A query to extract strings containing the letter 'a', sorted by length and converted to uppercase : Contains « LINQ « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. LINQ
3. Contains

using System;
using System.Collections.Generic;
using System.Linq;

class LinqDemo {
    static void Main() {
        string[] names = { "J", "P", "G", "Pa" };

        IEnumerable<string> query =
          from n in names
          where n.Contains("a")     
          orderby n.Length          
          select n.ToUpper();       

        foreach (string name in query) Console.Write(name + "/");
    }
}