title: Convert Array into JSON String in ASP.NET C#
body: <p>I have a simple array that looks like this: </p>
  
  <pre><code>{"image_01.jpg","image_02.jpg","image_03.jpg"}
  </code></pre>
  
  <p>I need to format it into this: </p>
  
  <pre><code>[{"small":"image_01.jpg","big":"image_01.jpg"},{"small":"image_02.jpg","big":"image_02.jpg"}, {"small":"image_03.jpg","big":"image_03.jpg"}]
  </code></pre>
  
  <p>I am very new to ASP.NET C#, I've been trying the examples here: <a href="https://msdn.microsoft.com/en-us/library/2yd9wwz4.aspx" rel="nofollow noreferrer">https://msdn.microsoft.com/en-us/library/2yd9wwz4.aspx</a> but I am not sure how to implement them into my array.</p>