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Support Article

Busy indicator does not go away after using MSOGenerateExcelFile



Busy indicator does not disappear after using MSOGenerateExcelFile.

Error Messages

Not Applicable

Steps to Reproduce

Configure a button to perform a section refresh and call MSOGenerateExcelFile activity.

Root Cause

This is an implementation issue. A file download must not be performed in a section refresh. In this case the AJAX success callback was not executed. Additionally, even without a hanging busy indicator, this design will result in the inability to click the button twice in one session. No request will be generated after the first click.


Invoke the file download through a Java Script as described in the following steps.

1. Configure a wrapper activity (which is allowed to be run from a script) to call

2. Create the below custom download function in the UserWorkForm

function downloadFile(pyActivity, FSFileName, TemplateRFB, DownloadFile)
var sURL = SafeURL_createFromURL(pega.u.d.url);
sURL.put('pyActivity', pyActivity);
sURL.put('FSFileName', FSFileName);
sURL.put('TemplateRFB', TemplateRFB);
sURL.put('DownloadFile', DownloadFile);

var formEle = document.createElement('form'); = "download_file";
formEle.method = "POST";
formEle.action = sURL.toURL();

{ = "";


3. Call this script instead of the refresh section or activity calls.

Published August 17, 2017 - Updated October 8, 2020

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