public void VerifyAllCoursesStatistics() { StudentsStatisticsByAgeFacade facade = new StudentsStatisticsByAgeFacade(); ////this.facade.StudentsStatisticsForAllCourses(); ////this.facade.VerifyAllCoursesStatistics(AllCoursesName); facade.StudentsStatisticsForAllCourses(); facade.VerifyAllCoursesStatistics(AllCoursesName); }