Problem 1: Views
You have a custom SharePoint 2010 master page. You assign that master page as the master page for a site, both for content and system pages. You face the following errors when dealing with list or library views:
- You can’t change the current view in the Ribbon view selector. The combo box doesn’t drop down. Additionally, you do not have the view selector on the page title.
Problem 2: File Upload page
Problem 1: the culprits are the new SharePoint 2010 master page placeholders and delegate controls.
In order to have view selector working, you have to add the following DelegateControl to the master page (as found on this thread):