title: DataTable expression Cannot interpret token '!'
body: <p>I have the following code:</p>
  
  <pre><code>//myDataTable has the following collumns: UserName, Birthday and email.
  string name = "eric!";
  string expression = "UserName = " + name;
  DataRow[] result = myDataTable.Select(expression);
  </code></pre>
  
  <p>I want to select all rows with the name "eric!".<br>
  The "!" gives me the following error: </p>
  
  <blockquote>
    <p>Cannot interpret token "!".</p>
  </blockquote>
  
  <p>How can I select all rows with such tokens?<br>
  (I really need the "!" in the expression since I extract the userNames from a .sql file)</p>