I am new to rails and having trouble with views so excuse me if this is a simple question.I was wondering how add to a has_and_belongs_to_many association in the view.
Webpage error details User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E
加载中,请稍侯......