How can I retrieve the current value of a combobox in ASP?

[JC]

Hi,

I am having a very difficult time retrieving the value of the selected
item in the combo box using ASP. I have the following code, that
refreshes the page location when the combo box selection is changed.

<SELECT NAME="optionvalue"
onChange="document.location='/input.asp?optionvalue=<% =optionvalue
%>'">

The problem is that the variable optionvalue is never passed in the
URL, and I always end up with the same URL which is
'/input.asp?optionvalue='

If I replace the ASP statement with something like <% =int(rnd*10) %>
then it works fine, and the correct URL is formed, i.e.
'/input.asp?optionvalue=6'.

How can I go about resolving this issue? I am sure the solution is
very simple, but I have been trying for hours with little success.

Any help will be appreciated. Thanks in advance.

JC

[Steven Burn]

<select name="cboValues">
<option selected="opt1"> 1
<option> 2
<option> 3
</select>

<%
strval = request.form("cboValues")
response.write strval
%>

--
Regards

Steven Burn
Ur I.T. Mate Group
www.it-mate.co.uk

Keeping it FREE!

Disclaimer:
I know I'm probably wrong, I just like taking part ;o)
JC <gs*****@hotmail.com> wrote in message
news:24*************************@posting.google.co m...

Hi,

I am having a very difficult time retrieving the value of the selected
item in the combo box using ASP. I have the following code, that
refreshes the page location when the combo box selection is changed.

<SELECT NAME="optionvalue"
onChange="document.location='/input.asp?optionvalue=<% =optionvalue
%>'">

The problem is that the variable optionvalue is never passed in the
URL, and I always end up with the same URL which is
'/input.asp?optionvalue='

If I replace the ASP statement with something like <% =int(rnd*10) %>
then it works fine, and the correct URL is formed, i.e.
'/input.asp?optionvalue=6'.

How can I go about resolving this issue? I am sure the solution is
very simple, but I have been trying for hours with little success.

Any help will be appreciated. Thanks in advance.

JC

[Bob Barrows [MVP]]

JC wrote:

Hi,

I am having a very difficult time retrieving the value of the selected
item in the combo box using ASP. I have the following code, that
refreshes the page location when the combo box selection is changed.

<SELECT NAME="optionvalue"
onChange="document.location='/input.asp?optionvalue=<% =optionvalue
%>'">

<%=...%> is shorhand for <%Response.Write ... %>
Do you have a server-side variable called optionvalue? :-) I doubt it.

You need to use clientside code for this, making it offtopic for this news
group. However, this should work:

onChange="document.location='/input.asp?optionvalue=' +
event.srcElement.value"
Please post any follow-ups to this question to a group whose name contains
"dhtml", or to .scripting.jscript.

Bob Barrows
--
Microsoft MVP -- ASP/ASP.NET
Please reply to the newsgroup. The email account listed in my From
header is my spam trap, so I don't check it very often. You will get a
quicker response by posting to the newsgroup.