This page contains all the caveats and the known workarounds that we are aware of.  Please read through each one to determine if any applies to your particular environment and situation.  Thanks.

Researcher's Guide 

We have provided a Guide (http://micard.umassmed.edu/downloads/The_New_ExportXLS_plugin_for_i2b2_(MiCARD)_webclient.pdf) for this plugin to our researchers in University of Massachusetts Medical School. We welcome anyone who may find it useful to the researchers in their own institutions as well.

Ignore Excel Warning Dialog

When opening the resulting exported HTML-coded Excel file (.xls), a dialog similar to the following may be displayed: !ExcelWarningDialog.png|align=center,border=1!
Simply click \[Yes\] to proceed.

Different Browser Type may Exhibit Different Excel Spreadsheet Exportation Behaviors

In our development and testing efforts, we've noticed that when the data is exported to the Excel spreadsheet, the behaviors vary among the 4 different browser types (Firefox, Chrome, IE, and Safari). These differences are not anything that can be controlled through our codes (at least not anything we're aware of, though we'll be grateful if any one can suggest any specific workable improvements).

For instance, the following excerpt is from Yves Thorrez (Universitair Ziekenhuis Brussel) on the behaviors of IE:

"However, what's still annoying is that in IE, ... a new tab is opened with an empty page...

 When I go back to the i2b2 tab, there is an IE popup asking to open or save the file, so that's ok."

php.ini Setting and Resulting Exported Excel Spreadsheet File

Gregory Schulte (Children's Hospital Colorado) has alerted us that if the "short_open_tag" in the /etc/php.ini file of a server (of this web client plugin) is NOT set to* "on*", then the resulting exported Excel spreadsheet may be just a blank file.

He also suggested the following alternatives as workaround options (for those who have encountered this "blank file" problem, else one need not do anything):