title: Convert alphabetic string into Integer in C#
body: <p>Is it possible to convert alphabetical string into int in C#? For example</p>
  
  <pre><code>string str = "xyz";
  int i = Convert.ToInt32(str);
  </code></pre>
  
  <p>I know it throws an error on the second line, but this is what I want to do. </p>
  
  <p>So how can I convert an alphabetical string to integer?</p>
  
  <p>Thanks in advance</p>