You can also do everthing on the client side using DOM you can show/hide "pieces" of pages just setting their *.style.display=block (to show) = none (to hide)
you can call a function to do it on the onClick event of the page. you can see a working example on http://www.simel.it/registrazioneUtente.asp if u choose something from the first dropdown menu, you see at the end of the page different type of fields hope that helps Simone > -----Messaggio originale----- > Da: Mr. Cristian Romanescu [mailto:[EMAIL PROTECTED] > Inviato: mercoledi 26 febbraio 2003 9.02 > A: Tomcat Users List > Oggetto: Re: Autopostback in JSP > > > Here are some hints: > > At 09:00 PM 2/25/2003 -0800, you wrote: > >Hi, > >1) I want the contents of my HTML page display to > >refresh automatically based on a selection made by the > >user. I am using HTML + JSP. > >For Example: > > There are three radio buttons > > - Thesis > > - Non-Thesis > > - Software Engineering > > Drop Down Menu1 > > > >If the user selects 'thesis' there should be one drop > >down menu appearing on the screen else there should be > >two drop down menus appearing. > > How can I do that? > > > You have to do on the radio buttons, an JavaScript function which handler > onClick (I think) event. > It would be something like this: > > Here is a sample how an drop-down list works (I have it handy...) > > JavaScript function: > ================ > function MM_jumpMenu(targ,selObj,restore){ //v3.0 > > eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'"); > if (restore) selObj.selectedIndex=0; > } > ================ > Here is the Drop-list that implements this functionality. > ================ > <SELECT name="Country" id="Country" > onChange="MM_jumpMenu('parent',this,0)"> > <OPTION value="this.jsp?param=0">Please select a country</OPTION> > <OPTION value="this.jsp?param=1">Any country</OPTION> > </SELECT> > ================ > As you can see I pass using HTTP GET method the param field which > shows me > what used has selected. > > Now you could adapt this code to your needs. > > > >2) Also what function in JSP will allow my page to > >display one image if the mouse is placed on it and > >another image if the the mouse is not place on it? > > 2) That is called rollover and is done also from JavaScript. > Search the web > further for JS tutorials on that. > As a a startup, you should handle the onMouseOver and onMouseOut > events in > a <A href...> for example > > here is some sample code: > <A href="link.jsp" onMouseOut="swapImg()" > onMouseOver="swapImage('Image13','','images/search/easy_search_foc > us.jpg',1)"> > <IMG name="Image13" border="0" src="images/search/easy_search.jpg" > width="84" height="29"></A> > > hope this helps. > c. > > >Thanks, > >I shall appreciate any help. > >Thanks, > >Runu > > > >__________________________________________________ > >Do you Yahoo!? > >Yahoo! Tax Center - forms, calculators, tips, more > >http://taxes.yahoo.com/ > > > >--------------------------------------------------------------------- > >To unsubscribe, e-mail: [EMAIL PROTECTED] > >For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
