when i use this code for show modal in asp.net core5 ,get this Error:( Uncaught ReferenceError: ShowModalEdituser is not defined at HTMLButtonElement.onclick()).and my modal don't show how can solve this Error. this is my code.

<button type="button" class="btn btn-primary btn-lg"  onclick="ShowModalEdituser('@item.id', '@item.FullName')" >Edite</button>

@section Scripts

{

    function EditUser1() {
        var usrId = $("#Edite_userId").val();
        var fullname = $("#Edite_fullname").val();
        var postData = {
            'usrId': usrId,
            'fullname': fullname,
        };

        $.ajax({
            contentType: 'application/x-www-form-urlencoded',
            dataType: 'json',
            type: "POST",
            url: "Edite",
            data: postData,
            success: function (data) {
                if (data.issuccess == true) {
                    swal.fire(
                        'موفق!',
                        data.message,
                        'success'
                    ).then(function (isConfirm) {
                        location.reload();
                    });
                }
                else {
                    swal.fire(
                        'هشدار!',
                        data.message,
                        'warning'
                    );
                }
            },
            error: function (request, status, error) {
                alert(request.responseText);
            }
        });
        $('#Editeuser').Modal('hide');
    }

    function ShowModalEdituser(UserId, fullName) {
        $('#Edit_Fullname').val(fullName)
            $('#Edit_UserId').val(UserId)


            $('#EditUser').Modal('show')

    }

}

@section Modals { Edite User × fullname close set }

@section Modals { Edite User × fullname close set }

`