function ajaxCallToExpandController(requestUrl, formData) {
    $.ajax({
        url: requestUrl,
        type: "POST",
        data: formData,
        contentType: false,
        processData: false,
        success: function (excelByteResult) {
            var bytes = base64ToBytes(excelByteResult.base64String);
            var blob = new Blob([bytes], { type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" });
            const url = window.URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.style.display = 'none';
            a.href = url;
            a.download = excelByteResult.excelFilename;
            document.body.appendChild(a);
            a.click();
            window.URL.revokeObjectURL(url);
        },
        error: function (jqXHR, textStatus, errorThrown) {
            console.log("Xhr: " + jqXHR.responseText);
            console.log("Status: " + status);
            console.log("Error Thrown: " + errorThrown);
        }
    });
}