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CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
					
public class Program
{
	class Data
	{
		public int id_seansu { get; set; }
		public TimeSpan godzina { get; set; }
		public DateTime data { get; set; }
		public int id_filmu { get; set; }
	}
	
	static IEnumerable<Data> seanses;
	
	public static void Main()
	{
		seanses = new List<Data>
		{
			new Data() { id_seansu = 1, data = DateTime.Parse("07.12.2016"), id_filmu = 1 },
			new Data() { id_seansu = 1, data = DateTime.Parse("07.12.2016"), id_filmu = 1 },
			new Data() { id_seansu = 1, data = DateTime.Parse("08.12.2016"), id_filmu = 1 },
			new Data() { id_seansu = 1, data = DateTime.Parse("08.12.2016"), id_filmu = 1 },
			new Data() { id_seansu = 1, data = DateTime.Parse("10.12.2016"), id_filmu = 1 },
		};
		
		IEnumerable<DateTime> dataSource = (from availableDate in seanses
										where availableDate.id_filmu == 1
										orderby availableDate.data
										select availableDate.data).Distinct();
		foreach (DateTime item in dataSource)
		{
			Console.WriteLine(item);
		}
	}
}