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Support Article

Attachment control does not work in Internet Explorer 11

SA-12510

Summary



The Pega-provided Attachment control does not work in Internet Explorer 11 in the application user portal. When users try to attach a file using the Attach File option, the Attachments section does not display the Drag and Drop and Browse controls for adding a file attachment.

Error Messages



Not Applicable

Steps to Reproduce

  1. In Internet Explorer11, navigate to the attachment flow and choose Attach.
  2. Observe that the modal dialog opens, but it does not display the Drag and Drop or Browse controls for you to select a file. It displays the OK and Cancel buttons only.

Root Cause



A third-party product issue
The BrowserIsIE When rule recognizes the Internet Explorer browser with the header User-Agent with an MSIE token. In Internet Explorer11 this feature was removed and is no longer supported.

Resolution



Perform the following local-change:

1. In Data-WorkAttach-File class, create a When rule that evaluates the following expression to true.

@contains(@pyGetUserAgent(tools), "Trident")

When condition for GetUserAgent tools Trident true

2. Override the AttachingScreen section present in Data-WorkAttach-File class and add another visible OR condition, for example:
In section Layout for Drag and Drop Files > Select a File, specify Webpage Dialog
Visible When New27 Is True OR Visible When BrowserIsIE Is True

Visible OR condition

Published March 8, 2018 - Updated October 8, 2020

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