table.addColumn(column);
Column actionColumn = new Column("Action");
actionColumn.setSortable(false);
ActionLink[] links = new ActionLink[]{deleteCustomer};
actionColumn.setDecorator(new LinkDecorator(table, links, "id"));
table.addColumn(actionColumn);
deleteCustomer.setAttribute("onclick", "return window.confirm('Please confirm delete');");
table.getForm().add(new Submit("update", "Update Customers", this, "onUpdateCustomersClick"));