EF/foreach遍历

using (var _context = new JYERPEntities())
                {
                    var _Role = _context
                        .Roles
                        .Where(r => r.ID == roleID)
                        .FirstOrDefault();

                    var _RoleUserList = _context
                        .Roles
                        .Where(r => r.ID == roleID)
                        .FirstOrDefault()
                        .Users;

                    foreach (var item in _RoleUserList.ToArray())
                    {
                        if (intArrUserID.Contains(item.ID))
                        {
                            _RoleUserList.Remove(item);
                        }
                        continue;
                    }

                    _context.SaveChanges();
                }