public string[] SearchStudentVisitDataBaseCount(SearchVisitRecord SearchStructure)
 {
     CaseDataBase SDB = new CaseDataBase();
     if (int.Parse(SDB._StaffhaveRoles[3]) == 1)
     {
         return SDB.SearchStudentVisitRecordCount(SearchStructure);
     }
     else
     {
         return new string[2] { _noRole, _errorMsg };
     }
 }