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Posted to user@struts.apache.org by netizen1 <ne...@attbi.com> on 2003/06/04 01:11:44 UTC
Re[2]: Advice with reading multiple html:selects
Hello Varun,
Tuesday, June 3, 2003, 2:21:32 PM, you wrote:
VG> It does not matter about building it dynamically, what matter is what
VG> was selected when the form was submitted.
VG> Only the selected values are transmitted back and they should all come
VG> back in that array.
VG> -----Original Message-----
VG> From: netizen1 [mailto:netizen1@attbi.com]
VG> Sent: Tuesday, June 03, 2003 4:16 PM
VG> To: struts-user@jakarta.apache.org
VG> Subject: Advice with reading multiple html:selects
VG> Hello,
VG> I have read the newsgroups regarding multiple selects.
VG> I have a multiple html:select control that starts out empty
VG> I populate the select control by using a textbox and an add button
VG> so it is filled dynamically.
VG> My html:select is:
VG> <html:select property="questionOptions" multiple="true" size="2" />
VG> which comes out like :
VG> <select name="questionOptions" multiple="multiple" size="2"
VG> style="width:500 px; height: 61px"></select>
VG> I have an action Form that has:
VG> private String[] gstrQuestionOptions = null;
VG> public String[] getQuestionOptions()
VG> {
VG> return this.gstrQuestionOptions;
VG> }
VG> public void setQuestionOptions( String[] value )
VG> {
VG> this.gstrQuestionOptions = value;
VG> }
VG> Even in the validate i try the following
VG> System.out.println( getQuestionOptions().length ) and i get
VG> java.lang.NullPointerException
VG> Since the select control is dynamically populated would i have to
VG> use something like request.getParameterValues("questionOptions")
VG> instead?
VG> Thank you
Belive it or not your response helped me figure it out. I added them
but i when i submit they werent highlighted. But if i check highlight
them then i get the valid answer.
Thanks
--
Best regards,
netizen1 mailto:netizen1@attbi.com
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