<ice:form>
  <ice:panelGrid id="grid" binding="#{dynamicgrid.containerComponent}" columns="2">
  </ice:panelGrid>
  <ice:commandButton value="Add UI Components" action="#{dynamicgrid.addComponent}" partialSubmit="true"/>
</ice:form>

public class DynamicGrid {
 
    public DynamicGrid(){
    }
 
 
    private HtmlPanelGrid containerComponent;
 
 
 
    public void addComponent() {
        //clean previous component
        containerComponent.getChildren().clear();
 
        //dynamically add Child Components to Container Component
        for (int i=0;i<10;i++) {
            UIColumn col = new UIColumn();
            HtmlOutputText ot = new HtmlOutputText();
            ot.setValue("test");
            col.getChildren().add(ot);
            HtmlInputText it = new HtmlInputText();
            it.setValue("");
            it.setId("label");
         
            col.getChildren().add(it);
 
            if (containerComponent == null) {
                containerComponent = new HtmlPanelGrid();
            }
            containerComponent.getChildren().add(col);
        }
 
    }
 
    public HtmlPanelGrid getContainerComponent() {
        return containerComponent;
    }
 
    public void setContainerComponent(HtmlPanelGrid containerComponent) {
        this.containerComponent = containerComponent;
    }
}

<managed-bean>
        <managed-bean-name>dynamicgrid</managed-bean-name>
        <managed-bean-class>ch.devit.dynamic.DynamicGrid</managed-bean-class>
        <managed-bean-scope>session</managed-bean-scope>
</managed-bean>