Hi all,
Thx for sll the help but this message wass composed ten days back and was
possibly stuck somewhere. Anyway, I am now able to read the value.
Thx anyway
Yogesh
-----Original Message-----
From: Steven J. Owens <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Saturday, July 03, 1999 10:50 PM
Subject: Re: Listbox value - Please Help
>> Yogesh Agarwal asks:
>> I have a problem and I am stuck with it for quite sometime now. I am
>> using JDBC in servlets and I have a drop down menu where the options are
>> read from the database. Now I want to read the selectedIndex from the
>> drop down menu and use it as a key to retrieve data from the tables. I
>> am not able to figure out how do I read the selectedIndex in a servlet.
>> Any detailed help is appreciated.
>
>ugur serkan replies:
>> Could you please define what you really want to do? I mean indeed if you
>> have a form with a submit button on it, when the submit button is
>> pressed, all the name-value pairs are sent to the servlet pointed to by
>> the action part of the form. So dropdown menus are not different from
>> the text fields in the manner their value is sent to the servlet and
>> parsed with the request.getParameter() method. If you can be more
>> specific, I can send an example...
>
> If you have an HTML form with a <SELECT> list, it works like this:
>
><SELECT NAME="blah">
><OPTION value="1">red
><OPTION value="2">white
><OPTION value="3">blue
><OPTION value="4">green
></SELECT>
>
> When the user selects "white" and clicks the submit button, the
>argument sent to the server is "blah=2". Value doesn't have to be a
>number - it can be any text. The value of each option could be the
>same as a the name on the select box.
>
><SELECT NAME="blah">
><OPTION value="red">red
><OPTION value="white">white
><OPTION value="blue">blue
><OPTION value="green">green
></SELECT>
>
> If you want the value of the option to be the same as the name
>of the option, you can take the shortcut of not including any value=""
>in the <OPTION> tag:
>
><SELECT NAME="blah">
><OPTION>red
><OPTION>white
><OPTION>blue
><OPTION>green
></SELECT>
>
> Personally, I favor specifying the value. I like being explicit in my
>programming languages; implicit behaviors usually get me in trouble :-).
>
> I strongly suggest anybody doing HTML-heavy servlets should pick
>up O'Reilly's _HTML: The Definitive Guide_.
>
>Steven J. Owens
>[EMAIL PROTECTED]
>[EMAIL PROTECTED]
>
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