Following a recent reinstall and redeploy of both Visual Studio 2010 and ReSharper 6.1.1, I find myself in a situation where I am unable to get Visual Studio to recognize my CssClass information or provide Intellisense for the included css classes. For instance:
<asp:Label ID="test" runat="server" CssClass="smallfieldcell" />
Will return a 'Unknown css class smallfieldcell' error from Intellisense when I have ReSharper enabled. If I turn it off, Visual Studio's built-in Intellisense takes over once more and recognizes the class, as well as providing me with a list of classes to choose from during development.
This would seem to indicate that I have some option or feature not set quite right in ReSharper, but so far I haven't been able to determine what that may be.
Here are the options that I have set currently.
Intellisense -> General -> ReSharper override mode
Autopopup -> HTML -> On classes and ID's -> Display but do not preselect (tried both)
Completion behavior -> All checked except Import completion
Completion Appearance -> All checked except Filter members by EditorBrowsable attribute
Parameter Info -> All checked except Display delegates in lambda syntax. Switch signatures with Arrow Keys.
I did not have this issue prior to this reinstall, so I know it can work :)