I tried using header column group but it seems to be unavailable for tree table:
Code: Select all
<p-treeTable [value]="activities">
<p-header>PLAN</p-header>
<p-headerColumnGroup>
<p-row>
<p-column header="Activity" rowspan="2"></p-column>
<p-column header="Progress" rowspan="2"></p-column>
<p-column header="Responsible" rowspan="2"></p-column>
<p-column header="Resources" colspan="3"></p-column>
<p-column header="Date" rowspan="2"></p-column>
</p-row>
<p-row>
<p-column header="Financial" ></p-column>
<p-column header="Technical"></p-column>
<p-column header="Human"></p-column>
</p-row>
</p-headerColumnGroup>
...........
regards,
Carlos