how to get sub property of entity by name
<p>in class Person i have relation to class Position, and the class Position has a relation to class PositionTitle, and the PositionTitle has a property named Title</p>

<pre><code>public class Person
{
   public Position Position{get;set;}
}

public class Position
{
   public PositionTitle PositionTitle{get;set;}
}

public class PositionTitle 
{
   public string Title{get;set;}
}
</code></pre>

<p>i have a string "Person.Position.PositionTitle.Title", how can i get this property of person with this string??</p>
