Or I can set a parameter before executing the added action. --- t t <[EMAIL PROTECTED]> wrote:
> Hi, Erik, > I got an idea. I can insert another action before > the actual action be executed. And use javascript > change a hidden property before executing the added > action, then I can do what i want to do in the > added action. What do you think? I will try it > later. > Thanks for your help! > Tong > > Erik Weber <[EMAIL PROTECTED]> wrote: > JavaScript can change the action URL on the fly. For > example: > > http://www.willmaster.com/possibilities/archives/wmp20030527001.shtml > > However, I'm not sure how compatible this type of > thing will be with the > Struts form tag. I've never tried it. I'm surprised > others aren't > speaking up because the "multiple submit" problem > comes up a lot. If you > search the archives for "multiple submit buttons" > you might find other > ideas. > > Erik > > > t t wrote: > > >Hi,Erik, > >I think that helps. I have another question. > Besides the "action" attribute in html:form, is > anywhere else we can specify another "action" > corresponding the submission of javascript? > >Thanks. > >Tong > > > >Erik Weber wrote: > >There may be other ways or better ways, but one > thing you could do is > >vary the action URL. You could have the same action > class serving > >slightly different action mappings, some with > validation set to true and > >some with validation set to false. > > > >I did what you are trying to do in a non-Struts > Servlet app, and there I > >just used a query string parameter to indicate > which type of submit was > >happening (but I didn't have to worry about getting > past the validator). > >Remember that JavaScript can change the value of a > field (including a > >hidden field) before it submits the form. > > > >Also, another technique for conditionally using the > validator is to turn > >automatic form validation off, override the > validate method in your > >ActionForm, but there simply invoke the validator > manually just as > >Struts would have done with automatic validation. > This gives you a > >chance to insert a switch before invoking the > validator. > > > >Probably there are others on the list who know a > lot more about this > >than me and might have a better idea. Hope that > helps. > > > >Erik > > > > > >t t wrote: > > > > > > > >>The problem is, when the form is submitted, it > will be validated according to the validator. then > error will occur since the user didn't intend to > submit and he/she didn't fill other required fields. > > >>And in my "acion" program, I don't know how to > tell whether it was submitted by "javascript" or by > the "submit" button. > >>Any idea about that? > >>Thanks. > >> > >>t t wrote: > >> > >>Thank you for the hint. I will try. > >>Erik Weber wrote:I don't know exactly how do it > using JavaScript. However, I know there's > >>a way to do it. But, you'd have to have all list > data downloaded to the > >>client's browser (could be undesirable depending > on list size), so you > >>may want to rethink that approach once you figure > out how to do it. > >> > >>Obviously it can be done using ordinary > programming on the server side > >>(JavaScript can resubmit the page when the first > select's value is > >>changed, and you can change the collection to be > displayed in the second > >>select before you resend the HTML). > >> > >>Erik > >> > >> > >>t t wrote: > >> > >> > >> > >> > >> > >>>Hi, all, > >>>I have two html:select as below: > >>>--------------------------------------------------- > >>> > >>> > >>> > >>> > >>> > >>>>labelProperty="label"/> > >>>> > >>>> > >>>> > >>>> > >>> > >>> > >>>>labelProperty="label"/> > >>>> > >>>> > >>>> > >>>> > >>>-------------------------------------------------------- > >>>when user choose item2 from s1, I want to change > the collection in s2 > >>> > >>> > >>> > >>> > >>>from "c2" to "itemC". How can I do that? > >> > >> > >> > >> > >>>Thanks in advance! > >>>Tong > >>> > >>> > >>> > >>>--------------------------------- > >>>Do you Yahoo!? > >>>Check out the new Yahoo! Front Page. > www.yahoo.com > >>> > >>> > >>> > >>> > >>> > >>> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: > [EMAIL PROTECTED] > >>For additional commands, e-mail: > [EMAIL PROTECTED] > >> > >> > >> > >> > >>--------------------------------- > >>Do you Yahoo!? > >>Check out the new Yahoo! Front Page. www.yahoo.com > >> > >>--------------------------------- > >>Do you Yahoo!? > >>Check out the new Yahoo! Front Page. www.yahoo.com > >> > >> > >> > >> > > > >--------------------------------------------------------------------- > >To unsubscribe, e-mail: > [EMAIL PROTECTED] > >For additional commands, e-mail: > [EMAIL PROTECTED] > > > > > >__________________________________________________ > >Do You Yahoo!? > >Tired of spam? Yahoo! Mail has the best spam > protection around > >http://mail.yahoo.com > === message truncated === __________________________________ Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
