using System.Collections.Generic;

​

public class TestClass {

    public Dictionary<string, string> Data {get; set;}

}

​

public class Program

{

    public static void Main()

    {

        var dict = new TestClass

        {

            // there is no clue, that the syntax is wrong, at run time it is throwing error => NullReference (why?)

            Data = { 

                    {"dict1", "disct1"},

                    {"dict2", "disct2"},

                    {"dict3", "disct3"},

            }

        };

​

        // Here I initialized directly, and assigning in the same way as above, it's showing compilation error, which is correct.

        // var dictCompileTimeError = new Dictionary<string, string>();

        // dictCompileTimeError = {

        //   {"test1", "test1"}

        // }

    }

}