title: converting dictionary string string to json string
body: <p>How can i convert my dictionary</p>
  
  <pre><code>Dictionary&lt;string,string&gt; to JSON string 
  </code></pre>
  
  <p>and then again convert from JSON string to </p>
  
  <pre><code>Dictionary&lt;string,string&gt; in c#?
  </code></pre>