* previous page is calculated relative to the current location in the {@link PagerModel}
* @return the HTML markup for anchor to the previous page
*/
protected String buildLivePreviousLink() {
InternalStringBuilder builder = new InternalStringBuilder();
AbstractRenderAppender appender = new StringBuilderRenderAppender(builder);
buildAnchor(appender, _gridModel.getUrlBuilder().getQueryParamsForPreviousPage(), IDataGridMessageKeys.PAGER_MSG_PREVIOUS);
return builder.toString();
}