title: app.config creating and reading sections trouble
body: <p>I have been trying to work with app.config sections by this example: </p>
  
  <p><a href="http://msdn.microsoft.com/en-us/library/system.configuration.configurationcollectionattribute.aspx#Y2391" rel="nofollow">http://msdn.microsoft.com/en-us/library/system.configuration.configurationcollectionattribute.aspx#Y2391</a></p>
  
  <p>and its giving me the next exception: </p>
  
  <p><code>An error occurred creating the configuration section handler for MyUrls:
  Could not load file or assembly 'ConfigurationCollectionAttribute, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified. (E:\Projects\AppConfigSectionsTesting\AppConfigSectionsTesting\bin\Debug\AppConfigSectionsTesting.vshost.exe.Config line 4)</code></p>
  
  <p>this is the config file - </p>
  
  <pre><code>   &lt;?xml version="1.0" encoding="utf-8" ?&gt;
  &lt;configuration&gt;
  
   &lt;configSections&gt;
     &lt;section name="MyFolders" type="FoldersSection, 
        ConfigurationCollectionAttribute, Version=1.0.0.0, Culture=neutral,   PublicKeyToken=null" /&gt;
  &lt;/configSections&gt;
  &lt;MyFolders&gt;
     &lt;Folders&gt;
      &lt;add Path ="D:\\RUN"/&gt;
  &lt;/Folders&gt;
  &lt;/MyFolders&gt;
  
   &lt;/configuration&gt;
  </code></pre>
  
  <p>i dont understand why.... can anyone help?
  thank you.</p>