写个文章试试编辑器

    public IQueryable<Profile> GetFriends(long userid) {
            var ret = (from f1 in DBExt.DB.Friend
                       join p1 in DBExt.DB.Profile on f1.ToID equals p1.UserID
                       where f1.FromID == userid
                       select p1)
                .Union(from f1 in DBExt.DB.Friend
                       join p1 in DBExt.DB.Profile on f1.FromID equals p1.UserID
                       where f1.ToID == userid
                       select p1)
                .Select(c => new Profile {
                    UserID = c.UserID,
                    Name = c.Name,
                    ShowText = c.ShowText,
                    ShowTextTime = c.ShowTextTime
                });
            return ret;
        }