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using System;
//using System.Data.Linq;
//using System.Xml;
//using System.Xml.Linq;
 
namespace linqsamples
{
	/// <summary>
	/// Summary description for LinqSample
	/// </summary>
	class LinqSample
	{
	   public static void Main()
	   {
	   	int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; 
	   	var numGroups = from n in numbers group n by n % 5 into g
	   		select new {Remainder = g.Key, Numbers = g};
 
	   	foreach(var g in numGroups)
	   	{	
 
	   		Console.WriteLine("Number with remainder {0} when devided by 5:",g.Remainder);
 
	   		foreach(var n in g.Numbers )
	   		{
	   			Console.WriteLine(n);
	   		}
	   	}  		   	
 
	   }
 
	}
}
 

prog.cs(16,51): error CS1935: An implementation of `GroupBy' query expression pattern could not be found. Are you missing `System.Linq' using directive or `System.Core.dll' assembly reference?
prog.cs(19,17): error CS1579: foreach statement cannot operate on variables of type `object' because it does not contain a definition for `GetEnumerator' or is inaccessible
Compilation failed: 2 error(s), 0 warnings

Standard output is empty