public async Task <IActionResult> OnGetAsync(int?id) { if (id == null) { return(NotFound()); } Course = await _context.Course .Include(c => c.Teacher).FirstOrDefaultAsync(m => m.CourseId == id); if (Course == null) { return(NotFound()); } ViewData["TeacherId"] = new SelectList(_context.Set <Teacher>(), "TeacherId", "TeacherId"); return(Page()); }
public async Task <IActionResult> OnGetAsync(int?id) { if (id == null) { return(NotFound()); } Grade = await _context.Grade .Include(g => g.Course) .Include(g => g.Student).FirstOrDefaultAsync(m => m.GradeId == id); if (Grade == null) { return(NotFound()); } ViewData["CourseId"] = new SelectList(_context.Set <Course>(), "CourseId", "CourseId"); ViewData["StudentId"] = new SelectList(_context.Student, "StudentId", "StudentId"); return(Page()); }
public IActionResult OnGet() { ViewData["CourseId"] = new SelectList(_context.Set <Course>(), "CourseId", "CourseId"); ViewData["StudentId"] = new SelectList(_context.Student, "StudentId", "StudentId"); return(Page()); }
public IActionResult OnGet() { ViewData["TeacherId"] = new SelectList(_context.Set <Teacher>(), "TeacherId", "TeacherId"); return(Page()); }