pulling text from db to add to error message

Another point about the properties editor -- I filed a different FR requesting a more expansive UI element mechanism that could be specified for datasources that could dovetail with this.  The problem I often run into is that special properties are undocumented -- you literally have to open the datasource and sometimes browse code to figure out what is allowed.  If the UI element thing happens, I would hope one of the options would include a multiline text entry box...