确认删除，DirectEvent传参，获取已选择的行信息

<Click OnEvent="DeleteClick" >

            <Confirmation ConfirmRequest="true" Title="Confirm Delete" Message="Are you sure you want to delete this company?" />

            <ExtraParams>

                <ext:Parameter Name="recordId" Value="#{CompanyGridPanel}.getSelectionModel().getSelected().id" Mode="Raw" />

            </ExtraParams>

            <EventMask Msg="Deleting..." ShowMask="true" />

        </Click>