title: What is the meaning of NullReferenceException
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/4660142/what-is-a-nullreferenceexception-in-net">What is a NullReferenceException in .NET?</a>  </p>
  </blockquote>
  
  
  
  <p>For example, "<code>System.NullReferenceException</code> was unhandled", with Message "Object reference not set to an instance of an object."</p>
  
  <p>What is the meaning of this exception, and how can it be solved?</p>