title: Error invoking "Configure Data Source...". Details: Exception has been thrown by the target of an invocation
body: <p>Visual Studio has an issue on a project that I've been working on for 8 years. Out of the blue, I now get the dreaded <strong>error message</strong> when configuring an Object Data Source for any page, new or existing, in my project. :</p>
  
  <blockquote>
    <p>"Error invoking "Configure Data Source...". Details: Exception has been thrown by the target of an invocation."</p>
  </blockquote>
  
  <p>It's been a few years since I got this before and had to completely reinstall Windows, Visual Studio &amp; 55 other applications to make the bug go away (this was VS 2010) - this takes about a week to do (!!!!).</p>
  
  <p>Now, on VS 2015, I'm seeing this bug again, and, once again, I search the Internet for hours, but there are no solutions I can find.</p>
  
  <p>Does anyone have any ideas (besides reinstalling everything again) to solve this mystery? Or where to look? </p>
  
  <p>EDIT:
  Creating the ObjectDataSource manually works fine, just no wizard.</p>
  
  <pre><code>    &lt;asp:ObjectDataSource ID="odsEA" runat="server"
      OldValuesParameterFormatString="original_{0}"
      SelectMethod="GetLinks"
      TypeName="EmailArchiveLinks.EmailArchiveLinkData"
      DataObjectTypeName="EmailArchiveLinks.EmailArchiveLink"&gt;&lt;/asp:ObjectDataSource&gt;
  </code></pre>