<c:set var="dataCount" value="${fn:length(dsmccList)}"/>robert > -----Original Message----- > From: Ding Lei [mailto:[EMAIL PROTECTED] > Sent: Saturday, May 22, 2004 1:45 AM > To: [EMAIL PROTECTED] > Subject: How to get length of an array(collection) > > > Hello all, > There is an array(dsmccList) obtained by a self-defined tag, and I wanna to > send the length of the array > as an hidden property, as following: > <iPanel:appListData id='dsmccList'/> > <c:set var="dataCount" value="${dsmccList.length}"/> > > But this causes exception: > javax.servlet.jsp.el.ELException: The "." operator was supplied with an index value > of type "java.lang.String" to be > applied to a List or array, but that value cannot be converted to an integer. > > Any ideas? Thanks! > > > -- > Yours, > > <<<::::: D i n g L e i ::::::>> > || || > || Ext: 8106 || > || Email: <dinglei [A] ipanel [O] cn> || > || Dept. Of Technology/Engineering || > || Embedded Information Services Inc. || > || || > <(((((( ===================== )))))>>> > > "Good-bye. I am leaving because I am bored." > -- George Saunders' dying words > > --------------------------------------------------------------------- > 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]
