MVC自定义成员关系和角色提供者上下文生存期问题

I'm having problems with custom membership within MVC 4 I keep getting a context lifetime related error when I do a ajax call to get a partial result from the server(controller), the error is always {"The provider has been closed"} or {"There is already an open DataReader associated with this Command which must be closed first."} the error always lands within the custom RoleProvider. I will try to explain the current setup im using.I'm having problems with custom membership with