private async Task DeleteCourses(CoursesTableViewModel course)
        {
            var a = "";

            if (await _pageService.DisplayAlert("Warning", $"Are you sure you want to delete{course.CourseName}?", "Yes", "No"))
            {
                Courses.Remove(course);
                var userCourse = await _coursesStore.GetCourses(course.Id);

                await _coursesStore.DeleteCourse(userCourse);
            }
        }
 public IActionResult OnPost()
 {
     courses.DeleteCourse(CurrentCourses);
     return(RedirectToPage("GetAllCourses"));
 }