public static bool CheckRole(string username, int meetingID, MeetingRoles role) { using (boxEntities box = new boxEntities()) { var user = Profile.getUserID(username); var r = (from o in box.MeetingParticipants where o.UserID == user && o.MeetingID == meetingID select o).FirstOrDefault(); if (r != null) { if (r.Role == role.ToString()) { return(true); } else { return(false); } } else { // return false return(false); } } }