wffweb/src/main/java/com/webfirmframework/wffweb/server/page/BrowserPage.java
public String toHtmlString() {
        initAbstractHtml();
        wsWarningDisabled = true;
        beforeToHtml(rootTag);
        wsWarningDisabled = false;
        final String htmlString = rootTag.toHtmlString(true);
        wsWarningDisabled = true;
        afterToHtml(rootTag);
        wsWarningDisabled = false;
        return htmlString;
    }
public String toHtmlString() {
        initAbstractHtml();
        wsWarningDisabled = true;
        beforeToHtml(rootTag);
        wsWarningDisabled = false;
        final String htmlString = rootTag.toHtmlString(true);
        wsWarningDisabled = true;
        afterToHtml(rootTag);
        wsWarningDisabled = false;
        return htmlString;
    }
NB: this method should not be called under {@link BrowserPage#render()}
method because this method internally calls {@link BrowserPage#render()}
method.

@return {@code String} equalent to the html string of the tag including
the child tags.

@author WFF