// If your activity returns a value, derive from CodeActivity<TResult>
        // and return the value from the Execute method.
        protected override void Execute(CodeActivityContext context)
        {
            string author = Search.Get(context).Author;
            string title = Search.Get(context).Title;
            string isbn = Search.Get(context).ISBN;
            BookInfoList l = new BookInfoList();
            l.BookList.Add(new BookInfo(title, author, isbn, "Available"));
            l.BookList.Add(new BookInfo(title, author, isbn, "CheckedOut"));
            l.BookList.Add(new BookInfo(title, author, isbn, "Missing"));
            l.BookList.Add(new BookInfo(title, author, isbn, "Available"));
            BookList.Set(context, l);

        }
        // If your activity returns a value, derive from CodeActivity<TResult>
        // and return the value from the Execute method.
        protected override void Execute(CodeActivityContext context)
        {
            string       author = Search.Get(context).Author;
            string       title  = Search.Get(context).Title;
            string       isbn   = Search.Get(context).ISBN;
            BookInfoList l      = new BookInfoList();

            l.BookList.Add(new BookInfo(title, author, isbn, "Available"));
            l.BookList.Add(new BookInfo(title, author, isbn, "CheckedOut"));
            l.BookList.Add(new BookInfo(title, author, isbn, "Missing"));
            l.BookList.Add(new BookInfo(title, author, isbn, "Available"));
            BookList.Set(context, l);
        }