title: How to bind TextBox to datasource
body: <p>I want to bind a textbox to a data source so that I can implement IDataErrorInfo.</p>
  
  <p>How would I achieve the functionality that essentially does what </p>
  
  <pre><code>TextBoxClientRenewalDate.DataSource = contract.RenewalDate;
  </code></pre>
  
  <p>would do, if it existed.</p>