VS2012 cannot access MasterPage Controls from MasterPage Code

[aloritier]

I have upgraded my asp.net to VS2012 and converted to web app.The problem is that all my controls from the masterpage now cannot be accessed from the masterpage code !I have in MasterPage.cs:linkReports.Text="My Link";and I get this error:error CS0103: The name 'linkReports' does not exist in the current contextIt worked before I have upgraded to VS2012