public void EditComment(QuestionsAnswers answers) { var book = QuestionAnswers.Where(b => b.AnswerID == answers.AnswerID).FirstOrDefault(); if (book == null) { QuestionAnswers.Add(answers); QuestionsDetails.CommentDisplay = (questions.AnswerCount = questions.AnswerCount + 1).ToString(); } else { var index = QuestionAnswers.IndexOf(book); QuestionAnswers[index] = answers; } if (LoadStatus == LoadMoreStatus.StausNodata) { LoadStatus = LoadMoreStatus.StausEnd; } }