Need help on dynamically add elements to combo box

Hello eveybody,

i plan to develop small webapplication in that i need to add elements dynamically to combobox.

in my servlet i wrote:

HttpSession session=request.getSession(false);

ArrayList<String> list=new ArrayList<String>();

list.add("Anil");

list.add("Sunil");

session.setAttribute("list", list);

in my jsp code i wrote:

<select>

<option value="names"><%=session.getAttribute("list") %></option>

</select>

when i deploy this application am getting null in my combo box .How can i add elements in dynamically.

plz help me ..

thanks in advance ..

regards,

Anil.

[688 byte] By [anilmekala.reddya] at [2007-11-27 10:53:11]
# 1

plz help me...

anilmekala.reddya at 2007-7-29 11:42:33 > top of Java-index,Java Essentials,Java Programming...
# 2

> Hello eveybody,

>

> i plan to develop small webapplication in that i need

> to add elements dynamically to combobox.

>

> in my servlet i wrote:

>

> HttpSession session=request.getSession(false);

> ArrayList<String> list=new ArrayList<String>();

> list.add("Anil");

> list.add("Sunil");

> session.setAttribute("list", list);

> in my jsp code i wrote:

<%

List names = (List)session.getAttribute("list");

%>

<select>

<%

for(int i=0; i<names.size(); i++) {

%>

<option value="<%=names.get(i)%>">

<%=names.get(i)%>

</option>

<%

}

%>

</select>

I think this will solve your problem

:)

gpata at 2007-7-29 11:42:33 > top of Java-index,Java Essentials,Java Programming...
# 3

am getting NullPointerException in server console.

anilmekala.reddya at 2007-7-29 11:42:33 > top of Java-index,Java Essentials,Java Programming...