I am using Oracle Apex 18.2. I need to upload Excel xlsx file using the Data Loading Page component in Oracle Apex, it should handle excel (xlsx) files while uploading on the Data Loading Page component in Oracle Apex. I tried using the Easy xlsx parser package by Carsten Czarski but how can this be done within an application in the Data Loading Page component as I need to map the columns as well and need to follow Data loading page component process?