title: XmlTextWriter path error?
body: <p>What is wrong with the following statement?</p>
  <pre><code>XmlTextWriter writer = new XmlTextWriter(@&quot;D:\project\data\&quot; + System.DateTime.Today + @&quot;\&quot; + System.DateTime.Now + &quot;.xml&quot;, null);
  </code></pre>
  <p>When I try the above statement it gives the following error</p>
  <blockquote>
  <p>The given path's format is not supported.</p>
  <p>Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.</p>
  <p>Exception Details: System.NotSupportedException: The given path's format is not supported.</p>
  </blockquote>