ASPForums.Net RSS Feed additions to the content that appears on ASPForums.Net(c) 2019 All rights reserved.System.IO.Packaging.Package' is defined in an assembly that is not referenced. You must add a reference to assembly 'WindowsBase,<p>all you need to do to fix it is to just add another <strong>reference</strong> to WindowsBase assembly that is found in the .NET Tab.</p> <p><a href=""><img class="aligncenter size-full wp-image-368" title="WindowsBase" src="" alt="" /></a></p>, 09 Sep 2014 07:51:13 GMT