To insert a selectable column, use the <tc:columnSelector/> tag. With the selectable in the <tc:sheet/> tag, you can adjust, whether the column should show checkboxes (default) or radio button 'singleOrNone'.
<tc:columnSelector/>
selectable
<tc:sheet/>
Tag Library Documentation: <tc:sheet/> | <tc:columnSelector/>
The first column in this sheet contain radio buttons. After clicking the submit button, the number of the selected row is displayed in the output field.
<tc:sheet value="#{sheetController.solarList}" var="object" selectable="singleOrNone" rows="2" state="#{sheetController.sheetState}"> <tc:columnSelector disabled="#{object.disabled}"/> <tc:column label="Name"> <tc:out value="#{object.name}"/> </tc:column> ...