Only one single DataModelList in one form

Those who are familiar with jsf, should have been very familiar with DataModel. DataModel allow developer easily get the selected data(object) from a DataTable which save a lot of work.

If you are interested at a DataModel example, you may refer the following link for example from ibm developer work.

JSF for nonbelievers: The JSF application lifecycle

But you may not aware that only one single DataModel is only allow in one form. If more than one DataModel in a single form, then both DataModel will not showed up. The only solution is to used 2 separate form for 2 DataModel.