ASP.Net Core: Save uploaded file path in database and file in Folder (Directory)

Hi Friends,

I was tries to save data to db with image path and save image to directory folder wwwroot path. All the code looks ok no error appers but I don't know why the data not saved to db when button submited click.

please help me.

using System.Security.Cryptography.X509Certificates;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using Microsoft.EntityFrameworkCore;

namespace lma_apps_v._01.Models
{
    [Table("tbl_driver")]
    public partial class TblDriver
    {
        [Key]
        [Column("no_id")]
        public int NoId { get; set; }
        [Column("area")]
        [StringLength(150)]
        [Unicode(false)]
        public string? Area { get; set; }
        [Column("lokasi")]
        [StringLength(150)]
        [Unicode(false)]
        public string? Lokasi { get; set; }
        [Column("proyek")]
        [StringLength(150)]
        [Unicode(false)]
        public string? Proyek { get; set; }
        [Column("nama_lengkap")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NamaLengkap { get; set; }
        [Column("nik_karyawan")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NikKaryawan { get; set; }
        [Column("tgl_masuk_kerja", TypeName = "date")]
        public DateTime? TglMasukKerja { get; set; }
        [Column("tgl_lahir", TypeName = "date")]
        public DateTime? TglLahir { get; set; }
        [Column("nik_ktp")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NikKtp { get; set; }
        [Column("no_kk")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NoKk { get; set; }
        [Column("alamat_lengkap")]
        [StringLength(250)]
        [Unicode(false)]
        public string? AlamatLengkap { get; set; }
        [Column("no_sim")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NoSim { get; set; }
        [Column("jenis_sim")]
        [StringLength(150)]
        [Unicode(false)]
        public string? JenisSim { get; set; }
        [Column("tgl_berlaku_sim", TypeName = "date")]
        public DateTime? TglBerlakuSim { get; set; }
        [Column("no_rekening")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NoRekening { get; set; }
        [Column("nama_bank")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NamaBank { get; set; }
        [Column("nama_direkening")]
        [StringLength(150)]
        [Unicode(false)]
        public string? NamaDirekening { get; set; }
        [Column("keterangan")]
        [StringLength(250)]
        [Unicode(false)]
        public string? Keterangan { get; set; }
        [Column("img_url")]
        [Display(Name="URL Path Foto Driver")]
        public string? img_url { get; set; }
    }
}

@model lma_apps_v._01.Models.TblDriver

@{
    ViewData["Title"] = "Create";
}

<h1>Create</h1>

<h4>TblDriver</h4>
<hr />
<div class="row">
    <div class="col-md-4">
        <form asp-action="Create" method="post" enctype="multipart/form-data">
            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
            <div class="form-group">
                <label asp-for="Area" class="control-label"></label>
                <input asp-for="Area" class="form-control" />
                <span asp-validation-for="Area" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="img_url" class="control-label"></label>
                <input type="file" name="file" class="form-control" />
                <span asp-validation-for="img_url" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Lokasi" class="control-label"></label>
                <input asp-for="Lokasi" class="form-control" />
                <span asp-validation-for="Lokasi" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Proyek" class="control-label"></label>
                <input asp-for="Proyek" class="form-control" />
                <span asp-validation-for="Proyek" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NamaLengkap" class="control-label"></label>
                <input asp-for="NamaLengkap" class="form-control" />
                <span asp-validation-for="NamaLengkap" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NikKaryawan" class="control-label"></label>
                <input asp-for="NikKaryawan" class="form-control" />
                <span asp-validation-for="NikKaryawan" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="TglMasukKerja" class="control-label"></label>
                <input asp-for="TglMasukKerja" class="form-control" />
                <span asp-validation-for="TglMasukKerja" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="TglLahir" class="control-label"></label>
                <input asp-for="TglLahir" class="form-control" />
                <span asp-validation-for="TglLahir" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NikKtp" class="control-label"></label>
                <input asp-for="NikKtp" class="form-control" />
                <span asp-validation-for="NikKtp" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NoKk" class="control-label"></label>
                <input asp-for="NoKk" class="form-control" />
                <span asp-validation-for="NoKk" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="AlamatLengkap" class="control-label"></label>
                <input asp-for="AlamatLengkap" class="form-control" />
                <span asp-validation-for="AlamatLengkap" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NoSim" class="control-label"></label>
                <input asp-for="NoSim" class="form-control" />
                <span asp-validation-for="NoSim" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="JenisSim" class="control-label"></label>
                <input asp-for="JenisSim" class="form-control" />
                <span asp-validation-for="JenisSim" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="TglBerlakuSim" class="control-label"></label>
                <input asp-for="TglBerlakuSim" class="form-control" />
                <span asp-validation-for="TglBerlakuSim" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NoRekening" class="control-label"></label>
                <input asp-for="NoRekening" class="form-control" />
                <span asp-validation-for="NoRekening" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NamaBank" class="control-label"></label>
                <input asp-for="NamaBank" class="form-control" />
                <span asp-validation-for="NamaBank" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NamaDirekening" class="control-label"></label>
                <input asp-for="NamaDirekening" class="form-control" />
                <span asp-validation-for="NamaDirekening" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="Keterangan" class="control-label"></label>
                <input asp-for="Keterangan" class="form-control" />
                <span asp-validation-for="Keterangan" class="text-danger"></span>
            </div>
            <div class="form-group">
                <input type="submit" value="Create" class="btn btn-primary" />
            </div>
        </form>
    </div>
</div>

<div>
    <a asp-action="Index">Back to List</a>
</div>

@section Scripts {
    @{
        await Html.RenderPartialAsync("_ValidationScriptsPartial");
    }
}

// POST: Driver/Create
// To protect from overposting attacks, enable the specific properties you want to bind to.
// For more details, see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Create([Bind("NoId,Area,Lokasi,Proyek,NamaLengkap,NikKaryawan,TglMasukKerja,TglLahir,NikKtp,NoKk,AlamatLengkap,NoSim,JenisSim,TglBerlakuSim,NoRekening,NamaBank,NamaDirekening,Keterangan,img_url")] TblDriver driver, IFormFile file)
{
    if (ModelState.IsValid)
    {
        try
        {
            // Validasi tipe berkas dan ekstensi, serta ukuran maksimal
            if (file != null)
            {
                if (!IsImage(file))
                {
                    ModelState.AddModelError("img_url", "File harus berupa gambar (jpeg, jpg, png, atau gif).");
                }
                else if (!IsAllowedExtension(file.FileName))
                {
                    ModelState.AddModelError("img_url", "Ekstensi file tidak diizinkan. Harap unggah file dengan ekstensi .jpeg, .jpg, .png, atau .gif.");
                }
                else if (file.Length > 2 * 1024 * 1024) // 2MB
                {
                    ModelState.AddModelError("img_url", "Ukuran file gambar tidak boleh melebihi 2 MB.");
                }
                else
                {
                    await SaveImgUrl(file, driver);
                }
            }
 
            _context.Add(driver);
            await _context.SaveChangesAsync();
            return RedirectToAction(nameof(Index));
        }
        catch (Exception ex)
        {
            // Tangani pengecualian, log, dan berikan umpan balik yang sesuai kepada pengguna.
            ModelState.AddModelError(string.Empty, $"Error: {ex.Message}");
        }
    }
    return View(driver);
}
 
//SaveImgUrl method untuk save file gambar ke directory wwwwroot aplikasi
private async Task SaveImgUrl(IFormFile file, TblDriver tblDriver)
{
    if (file != null && file.Length > 0)
    {
        string folder = "uploads/image/driversandoperators/" + Guid.NewGuid().ToString() + "-" + file.FileName;
        using (var stream = new FileStream("wwwroot" + folder, FileMode.Create))
        {
            await file.CopyToAsync(stream);
        }
 
        tblDriver.img_url = folder;
    }
}
 
//IsImage method untuk Validasi tipe berkas gambar
private bool IsImage(IFormFile file)
{
    // Validasi tipe berkas gambar
    return file.ContentType.StartsWith("image/");
}
 
//IsAllowedExtension method untuk Validasi ekstensi file yang diizinkan
private bool IsAllowedExtension(string fileName)
{
    // Validasi ekstensi file yang diizinkan
    string[] allowedExtensions = { ".jpeg", ".jpg", ".png", ".gif" };
    string fileExtension = System.IO.Path.GetExtension(fileName).ToLowerInvariant();
    return allowedExtensions.Contains(fileExtension);
}