title: Wpf - how to get textbox value based on combobox selection
body: <p>I have a  model <code>CATEGORY</code> in which I have two properties <code>NAME</code> n <code>DESCRIPTION</code>. Now my combo box uses <code>NAME</code> as item. On selecting a NAME in combo box I want my textbox's text property to have the <code>DESCRIPTION</code> of that category <code>NAME</code>.</p>
  
  <p>I m using Linq for database queries.</p>