I've faced a problem that is: An exception of type 'System.ArgumentException' occurred in EntityFramework.dll but was not handled in user code Additional information: The Include path expression must refer to a navigation property defined on the type. Use dotted paths for reference navigation properties and the Select operator for collection navigation properties. How can I solve it? For more information please visit this link. <a href="http://stackoverflow.com/q/28148808/1817640">this link</a>
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