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Support Article

Busy indicator does not go away after using MSOGenerateExcelFile

SA-40863

Summary



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.

Resolution



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
MSOGenerateExcelFile.





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');
formEle.id = "download_file";
formEle.method = "POST";
formEle.action = sURL.toURL();

if(pega.env.ua.webkit)
{
formEle.target = "";
}

document.body.appendChild(formEle);
formEle.submit();
document.body.removeChild(formEle);
}



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

Suggest Edit

Published August 17, 2017 - Updated October 8, 2020

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