https://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/85092.aspxWed, 05 Dec 2012 20:36:02 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:85092kmellenberg0https://www.infopathdev.com:443/forums/thread/85092.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=85092<p>I was finally able to figure out how to solve this issue.&nbsp; I changed the Event ID field from a text field to a dropdown list populated by another custom SharePoint list.&nbsp; Then, when the variable value was written to that dropdown field, for some reason, it took the value and would filter the other dropdown based on that specific Event ID.&nbsp; Not sure that explanation makes complete&nbsp;sense, but it did work!&nbsp; Anyway, I&#39;m replying to my own post just in case it might help someone else with a similar issue somewhere down the road.</p>https://www.infopathdev.com:443/forums/thread/85080.aspxWed, 05 Dec 2012 14:40:57 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:85080kmellenberg0https://www.infopathdev.com:443/forums/thread/85080.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=85080<p>I had created an InfoPath form using InfoPath 2010 that had a dropdown list (populated from a data connection to a custom SharePoint list).&nbsp; I then filtered the dropdown list based on a field called Event ID which was populated by a variable that was passed (via the URL) when the form was opened (using a jscript onLoad event).&nbsp; Everything worked perfectly... then the problems started.&nbsp; A lot of people in our company still have InfoPath 2003 and 2007 (and, no, we don&#39;t have Enterprise edition, so we can&#39;t just make it a web browser form).&nbsp; So, I was instructed to plan for the lowest common denominator.&nbsp; So, I downgraded all the data connections to 2003 compatible and made a few other changes, and all seemed good... except the filtered dropdown list.&nbsp; The dropdown list shows up empty.&nbsp; I can remove the filter, and it shows all the items from the SharePoint list, but if I put the filter back on&nbsp;it shows nothing.&nbsp; I even just tried filtering based on a certain ID, still no results return.&nbsp; So, my question is as follows, is it not possible to filter a dropdown list using InfoPath 2003 compatibility?&nbsp; It seems so&nbsp;simple, but I can&#39;t find an answer anywhere.&nbsp;&nbsp;Does anyone have a solution for this&nbsp;that doesn&#39;t involve enormous amounts of custom coding?&nbsp;&nbsp;I really appreciate any help!&nbsp; </p>