using System;

using System.Collections.Generic;

using System.Linq;

using System.Diagnostics;

​

public class Program

{

    public void Main()

    {

        Dictionary<int, sakiau> test = new Dictionary<int, sakiau>(){

            {1, new sakiau {a = "a", b ="nebus"} },

            {2, new sakiau {a = "a", b ="jokio"}},

            {3, new sakiau {a = "a", b ="null"}},

            {4, new sakiau {a = "a", b ="exception'o"}}

        };

        var arYra = test.FirstOrDefault(q => q.Value.b == "Mindaugas teisus").Value;

        Console.WriteLine("cha!!!" + arYra);

        var yra = test.FirstOrDefault(q => q.Value.b == "null").Value;

        Console.WriteLine(yra + " kad Lina teisi");

    }

}

​

public class sakiau

{

    public string a {get; set;}

    public string b {get; set;}

}

​

​