Release 10.1A: OpenEdge Development:
ADM Reference

urlJoinParams

Generate the URL parameter to use as join information for a linked object.

Location: webrep.p

Parameters:

INPUT pcJoinParam AS CHARACTER

Specifies which parameters must be added to the URL in order to join this data-source to the linked object’s data-source. Following are the valid values for this parameter:

ROWID specifies that record information should be passed as rowids in the ExternalRowids URL parameter (only when using database as data-source).
A comma-separated list of column names; for example, "custnum,state,salesrep".
Blank. No link information is needed.
Returns: CHARACTER
Notes:

This is called from urlLink with the correct entry from the CHR(3)-delimited JoinLinks attribute.
Add ”?” as the last entry to the parameter to specify that the first parameter should be separated with ”?” (the FIRST URL parameter).