title: how to convert string to string array?
body: <p>I have a object of type string,I want to convert it to String array</p>
  
  <p>here the code is</p>
  
  <pre><code> obj.QueryString =HttpContext.Current.Request.Url.PathAndQuery;
  
   string[] arr =obj.QueryString;
  </code></pre>
  
  <p>QueryString is of type string.</p>