title: C# Why i get a NotSupported Exception on my file Path
body: <pre><code>StreamReader fr = new StreamReader("D:\\test\\" + item);
  </code></pre>
  
  <p>This is what i want to do.  Item is a String with the filename. The hole string is like that </p>
  
  <pre><code>"D:\\test\\01-Marriotts Island.mp3"
  </code></pre>
  
  <p>befor he tries to generate the StreamReader.
  whats wrong with the path?</p>