using System;
public class Program
{
public static void Main()
//an array with length 1 and index starts with 1 instead of 0
var mySpecialArray = Array.CreateInstance(typeof(object), new [] { 1 }, new [] { 1 });
mySpecialArray.SetValue("myString", 1);
var objArray = new object[,]
{mySpecialArray},
};
//to access "myString" in code behind you can use this
Console.WriteLine(((Array)objArray[0,0]).GetValue(1));
}