everything/EveryThing/Pages/Notes/Create.cshtml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Mvc.Rendering;
using EveryThing.Data;
using EveryThing.Models;
using EveryThing.Models.Vehicle;

namespace EveryThing.Pages.Notes
{
    public class CreateModel : PageModel
    {
        private readonly EveryThing.Data.ApplicationDbContext _context;

        public CreateModel(EveryThing.Data.ApplicationDbContext context)
        {
            _context = context;
        }

        public IActionResult OnGet()
        {
            ViewData["IdCompanyFk"] = new SelectList(_context.CodeTableCompanies, "IdCompany", "Ceo");
            ViewData["IdEmployeeFk"] = new SelectList(_context.CodeTableEmployees, "IdEmployee", "BankAccount");
            ViewData["IdVehicleFk"] = new SelectList(_context.Set<Models.Vehicle.Vehicle>(), "IdVehicle", "RegistrationNumber");

            return Page();
        }

        public IActionResult OnGetModal()
        {
            ViewData["IdCompanyFk"] = new SelectList(_context.CodeTableCompanies, "IdCompany", "Ceo");
            ViewData["IdEmployeeFk"] = new SelectList(_context.CodeTableEmployees, "IdEmployee", "BankAccount");
            ViewData["IdVehicleFk"] = new SelectList(_context.Set<Models.Vehicle.Vehicle>(), "IdVehicle", "RegistrationNumber");

            return Partial("CreateModal");
        }

        public async Task<IActionResult> OnPostModalAsync()
        {
            if (!ModelState.IsValid)
            {
                return Partial("CreateModal");
            }

            _context.GeneralNotes.Add(Note);
            await _context.SaveChangesAsync();

            return Partial("CreateModal");
        }

        [BindProperty]
        public GeneralNote Note { get; set; }

        // To protect from overposting attacks, please enable the specific properties you want to bind to, for
        // more details see https://aka.ms/RazorPagesCRUD.
        public async Task<IActionResult> OnPostAsync()
        {
            if (!ModelState.IsValid)
            {
                return Page();
            }

            _context.GeneralNotes.Add(Note);
            await _context.SaveChangesAsync();

            return RedirectToPage("./Index");
        }
    }
}