using System.Collections.Generic;
public string Item1 {get;set;}
public string Item2 {get;set;}
public string Item3 {get;set;}
public static void Main()
Dictionary<decimal, Data> dict = new Dictionary<decimal, Data>();
for(int i = 1; i<=3; i++){
if(dict.ContainsKey(d) == false){
case 1: dict[d].Item1 = "Test1";
case 2: dict[d].Item2 = "Test2";
case 3: dict[d].Item3 = "Test3";
Console.WriteLine(dict[0.0m].Item1 + " " + dict[0.0m].Item2 + " " + dict[0.0m].Item3);