Call .NET MVC Core Controller from JS Ajax plus store and display success message after page reload

jsCallController.js

MVC-Razor AJAX

// AJAX calls .NET MVC Core Controller
// Stores success message and fetches it to display once page is updated

    function confirmTransferAction(event) {
        // console.log("@Url.Action("UpdateAccountEmail", "CustomerProfiles")");

        var id = document.getElementById('adminId').value;
        var email = document.getElementById('newEmail').value;

        if (confirm("Are you sure you want to transfer the account?")) {
            $.ajax({
                url: "@Url.Action("UpdateAccountEmail", "CustomerProfiles")",
                type: 'POST',
                contentType: "application/json",
                data: JSON.stringify({
                    id: id,        
                    email: email     
                }),
                success: function (response) {
                    console.log(response);
                    if (response.status === 'OK') {                  
                        sessionStorage.setItem("successMessage", "Account transfer successful!");
                        location.reload();
                    } else {
                        emailError.textContent = "User email already exists";
                    }
                },
                error: function (xhr, status, error) {
                    console.error('Error:', error);
                    alert('An error occurred while updating the email');
                }
            });
        }
    }

    // get the success message that was cached in API call and display it
     document.addEventListener("DOMContentLoaded", function () {
        var successMessage = sessionStorage.getItem("successMessage");
        if (successMessage) {
            var messageDiv = document.getElementById("successMessage");
            messageDiv.textContent = successMessage;
            messageDiv.style.display = "block";

            // Clear the message after displaying it
            sessionStorage.removeItem("successMessage");
        }
    });
</script>