java - How to locate and write to textfield and click submit with HtmlUnit? -

i new htmlunit , not know how read , understand page source of website. nonetheless, have written code (learned tutorial) try , access following website

then stuck, not familiar javascript. want achieve:

• i type 328 in textfield on left menu on website

• and click submit button

so can brought next page.

update: managed resolve page access problem adding line code. still having trouble locate input text field, type in input , click button, can landed next page.

public void testing() throws exception {            /* turn off annoying htmlunit warnings */     java.util.logging.logger.getlogger("com.gargoylesoftware").setlevel(java.util.logging.level.off);     try (final webclient webclient = new webclient(browserversion.chrome)) {         final htmlpage page = webclient.getpage("http://www.aastocks.com/en/stock/detailquote.aspx?&symbol=1");         final htmldivision div = page.gethtmlelementbyid("leftmenu_button");     } } 

the website has css url //:, wasn't correctly handled htmlunit, , fixed in svn.

please latest build, below code works:

    try (final webclient webclient = new webclient(browserversion.chrome)) {          final htmlpage page = webclient.getpage("http://www.aastocks.com/en/stock/detailquote.aspx?&symbol1");         htmlinput input = page.gethtmlelementbyid("py_txt");         input.type("328");          final htmlpage page2 = page.gethtmlelementbyid("imghkstocksubmit").click();         system.out.println(page2.geturl());         system.out.println(page2.astext());     }