xo::Table instproc column_names (public)
<instance of xo::Table> column_names
Defined in /var/www/openacs.org/packages/xotcl-core/tcl/30-widget-procs.tcl
Return a list of names of the columns of the current table. These names are used to refer to the columns, e.g. in sorting or when values are set.
- Returns:
- list of names
- Testcases:
- create_form_with_form_instance