如何在sharepoint用户配置文件中读取由semi冒号分隔的值?

I have a field named Responsibility in a user profile on sharepoint site which contains value like "abc; def; ghi". I want to read these values into an array. When i am using [propertyconstants.responsibility].value only abc is being read. How to read abc, def and ghi separately?I have a field named Responsibility in a user p