If you look at the docs for <html:options> and in particular for its 'collection'
attribute you will note that the value of the 'collection' attribute must be a
java.util.Collection of JavaBeans. Each bean in this java.util.Collection must have
the properties named by the 'property' and 'labelProperty' attributes of the tag.
So, working your way back from your JSP, since you have
<html:select property="memPeriodFromMonths"
multiple="true">
<html:options collection="memPeriodFromMonths"
property="label"
labelProperty="value"/>
</html:select>
your form-bean must have a public getMemPeriodFromMonths() method providing a
java.util.Collection of JavaBeans. Each of these beans must have public methods
called getLabel() and getValue().
Hope this helped.
Sri
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 08, 2003 6:55 AM
To: [EMAIL PROTECTED]
Subject: 'collection' dropdown trouble
Hi,
I'm a STRUTS newbie and I've been trying to get a 'collection' dropdown to work for
what must be a couple of weeks now...
The code I'm using to display the dropdown in my JSP is:
<html:select property="memPeriodFromMonths" multiple="true">
<html:options collection="memPeriodFromMonths" property="label"
labelProperty="value"/> </html:select>
Then my getter and setter methods are:
public Vector getMemPeriodFromMonths() {
for (int i=1; i <= 12; i++) {
memPeriodFromMonths.add(getMonthName (i));
}
return memPeriodFromMonths;
}
public void setMemPeriodFromMonths(String newMemPeriodFromMonths) {
memPeriodFromMonths = newMemPeriodFromMonths;
}
public String getMonthName (int monthNumber) {
String strReturn = "";
switch (monthNumber){
case 1:
strReturn = "Jan";
break;
case 2:
strReturn = "Feb";
break;
case 3:
strReturn = "Mar";
break;
case 4:
strReturn = "Apr";
break;
case 5:
strReturn = "May";
break;
case 6:
strReturn = "Jun";
break;
case 7:
strReturn = "Jul";
break;
case 8:
strReturn = "Aug";
break;
case 9:
strReturn = "Sep";
break;
case 10:
strReturn = "Oct";
break;
case 11:
strReturn = "Nov";
break;
case 12:
strReturn = "Dec";
break;
}
return strReturn;
}
Can anyone tell me what I'm doing wrong? Or mail me working sample code so I can
compare?
Thanks,
David
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