Need to upload excle file when excel file is closed. If Excel file is Opened its should not allowed

Hello Friends,

I am reading the data from excel using "FileUploader". its working fine. Now my requirement is if excel file is opened it should not allowed. when excel file is closed then only its will allowed. how to do this

<Label id="fileNameId" text="File Upload" required="true"/>
                            
<u:FileUploader id="fileUploader" name="FILENAME" placeholder="Upload your file to the SAP System" 
                                    change="processFile" sameFilenameAllowed="false" liveChange="onSelectInput" width="350px"/>

Regards

Vijay