Fetch from body return null into controller-CodePudding

please, I need help, why does [FromBody] fetch value always return null value. I have tried everything but nothing has worked, maybe you have a better idea? Please help, i stuck with this code

This is my javascript :

const DetailSewa = barangSewa;

  const sewa = {
    NotaSewa: $("#notaSewa").val(),
    PelangganId: $("#cboSearchPelanggan").val(),
    TempatAcara: $("#txtTempatAcara").val(),
    TanggalAcara: $("#txtTanggalAcara").val(),
    OngkosKerja: $("#ongkosKerja").val(),
    OngkosKirim: $("#ongkosKirim").val(),
    OngkosCuci: $("#ongkosCuci").val(),
    SisaBayar: $("#sisaBayar").val(),
    UangMuka: $("#uangMuka").val(),
    TotalBayar: $("#totalBayar").val(),
    TipeDokumen: $("#cboSearchDokumen").val(),
    DetailSewa: DetailSewa,
  };

  $("#btnSimpan").closest("div.card-body").LoadingOverlay("show");

  fetch("/Transaksi/CreateSewaPeralatan", {
    method: "POST",
    headers: { "Content-Type": "application/json;charset=utf-8" },
    body: JSON.stringify(sewa),
  })
    .then((response) => {
      $("#btnSimpan").closest("div.card-body").LoadingOverlay("hide");
      return response.ok ? response.json() : Promise.reject(response);
    })
    .then((responseJson) => {
      if (responseJson.State) {

        swal("Terdaftar !", "Nota : "   $("#notaSewa").val(), "sukses");
      } else {
        swal("Maaf", "Sewa barang gagal terdaftar", "error");
      }
    })
    .catch((error) => {
      $("#btnSimpan").closest("div.card-body").LoadingOverlay("hide");
    });

my controller :

[HttpPost]
        public IActionResult CreateSewaPeralatan([FromBody] Sewa model)
        {
            ResponseSewa<Sewa> gResponse = new ResponseSewa<Sewa>();
            try
            {
                _transaksiService.CreateSewa(model);

                gResponse.State = true;
                gResponse.Object = model;

            }
            catch (Exception ex)
            {
                gResponse.State = false;
                gResponse.Message = ex.Message;
            }
            return StatusCode(StatusCodes.Status200OK, gResponse);
        }

my config Json Serializtion:

services
                .AddMvc()
                .AddJsonOptions(options =>
                {
                    options.JsonSerializerOptions.PropertyNameCaseInsensitive = true;
                    options.JsonSerializerOptions.PropertyNamingPolicy = null;
                });

I hope the fetch can pass the value into controller

CodePudding user response：

Why does [FromBody] fetch value always return null value. I have tried everything but nothing has worked, maybe you have a better idea? Please help, i stuck with this code.

Well, I have reeproduced your issue. You are getting null value on your controller because of your

Note: If you would like to know more details on JSON property naming policy you could check our official document here