public ActionResult Delete(string ResponseId)
        {
            SurveyAnswerRequest SARequest = new SurveyAnswerRequest();

            SARequest.SurveyAnswerList.Add(new SurveyAnswerDTO()
            {
                ResponseId = ResponseId
            });
            string Id = Session["UserId"].ToString();

            SARequest.Criteria.UserId       = SurveyHelper.GetDecryptUserId(Id);
            SARequest.Criteria.IsSqlProject = (bool)Session["IsSqlProject"];
            SARequest.Criteria.SurveyId     = Session["RootFormId"].ToString();
            SurveyAnswerResponse SAResponse = _isurveyFacade.DeleteResponse(SARequest);

            return(Json(string.Empty));
        }