public Survey()
 {
     surveyBL = new SurveyBL();
 }
 public SurveyMaintenance()
 {
     surveyBL = new SurveyBL();
     userName = "******";
 }
 public UserSurveyPage()
 {
     surveyBL = new SurveyBL();
        userName = "******";//Session["UserName"].ToString() ; //set USER ID here
 }
 public SurveyQuestions()
 {
     surveyBL = new SurveyBL();
 }
 public UserSurveyList()
 {
     surveyBL = new SurveyBL();
 }