public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
this.Error = "Something went wrong. Try Again.";
return(Page());
}
var courseID = this.CourseID;
this.Objective.CourseID = courseID;
this.Objective.DateAdded = DateTime.Now;
await _context.AddObjectiveAsync(this.Objective);
return(RedirectToPage("./List", new { courseID }));
}