title: how to convert two dimensional integer array elements into string in c#?
body: <p>i would like to save my grid positions  of 4*4  grid with integer before quitting game. </p>
  
  <p>I thought i could convert array into string and save it using player preferences for next use.</p>
  
  <p>i saved  the numbers in two dimensional  integer array. now how to convert it into string in c#.</p>