// Editing student
public async Task <IActionResult> OnPost()
{
if (!ModelState.IsValid)
{
return(Page());
}
var student = _db.Students.Find(Student.Id);
if (student != null)
{
student.FirstName = Student.FirstName;
student.LastName = Student.LastName;
student.PhoneNumber = Student.PhoneNumber;
student.ImageName = Student.ImageName;
_db.Update(student);
await _db.SaveChangesAsync();
}
return(RedirectToPage("View"));
}