can anyone tell me how do we update the values in servlet?

I have made a jsp....

this will make a dropdown box containing all my option values..
now i have to enter the date value whose option value has to be updated??
what code should i write in servlet so that it recognises that a particular option value has been passed??

Still no indentation?

Get the option's request parameter and do something with it.

But as Bear said--if you insist on not indenting your code you'll find fewer and fewer people willing to help you. Please ShowSomeEffort, and take some time to make your posts as understandable as possible.

<h4>Enter the Date whose parameters are to be updated</h4>
       
                <input type="text" name="Date" size="20" />

</form>

<form action="">
                <select name="parameter">
                               <option value="Principal">Principal</option>
                               <option value="Interest">Interest</option>
                               <option value="Tax">Tax</option>
                               <option value="CarLoan">CarLoan</option>
                               <option value="AptRent">AptRent</option>
                               <option value="EPB">EPB</option>
                               <option value="ATT">ATT</option>
                               <option value="HI">HI</option>
                               <option value="CI">CI</option>
                               <option value="PMI">PMI</option>
                               <option value="DiscoverFlag">DiscoverFlag</option>
                               <option value="Discovermiles">Discovermiles</option>
                               <option value="TrustVISA">TrustVISA</option>
                               <option value="BOA">BOA</option>
                               <option value="DCUVISA">DCUVISA</option>
                               <option value="HOAFee">HOAFee</option>
                               <option value="ComcastISP">ComcastISP</option>
                               <option value="Vonage">Vonage</option>

</select>

</body>
</html>

in servlets i am writing...

request.getParameter("parameter");
but how do i retain the actual option value???

and how do i pass the selected value from jsp to servlets....how will it determine from the drop down box which value is selected?thanks in advance....

maggie joseph wrote:in servlets i am writing...

request.getParameter("parameter");
but how do i retain the actual option value???

Assign it to a variable:

Or am I not understanding your question?

see i am doing this in my servlet...i am using request.get parameter("parameter");
but when i am selecting a particular option in jsp how do i write a code for that???and how do i send that in servlet??

maggie joseph wrote: when i am selecting a particular option in jsp how do i write a code for that???and how do i send that in servlet??

you already post *the code*. by submitting you can send the selected value to a servlet. I am afraid, whether you aware about server and web deployment process ?

no i am not aware of what you mentioned?
where can i get help about those topics??

please read
Head.First.Servlets.and.JSP.

this may also help
http://courses.coreservlets.com/Course-Materials/csajsp2.html

<h4>Enter the Date whose parameters are to be updated</h4>
<input type="text" name="Date" size="20" />

<select name="parameter">
<option value="Principal">Principal</option>
<option value="Interest">Interest</option>
<option value="Tax">Tax</option>
<option value="CarLoan">CarLoan</option>
<option value="AptRent">AptRent</option>
<option value="EPB">EPB</option>
<option value="ATT">ATT</option>
<option value="HI">HI</option>
<option value="CI">CI</option>
<option value="PMI">PMI</option>
<option value="DiscoverFlag">DiscoverFlag</option>
<option value="Discovermiles">Discovermiles</option>
<option value="TrustVISA">TrustVISA</option>
<option value="BOA">BOA</option>
<option value="DCUVISA">DCUVISA</option>
<option value="HOAFee">HOAFee</option>
<option value="ComcastISP">ComcastISP</option>
<option value="Vonage">Vonage</option>

</select>

<h4>Enter the value are to be updated</h4>
<input type="text" name ="value"/>
<input type="submit" value ="Submit"/>
</form>
</body>
</html>

this is my jsp code which is sending date ,option value and value to be updated..

in servlet i write....
is this the right way of getting the selected option value and the entered value to be updated?
thanks.......
thanks for the link..but I am running short of time...

hey i am getting the parameter values and value passed in servlet....
but how do i write a logic to update the database values..
in my servlet i have written..
but i a not getting anything in the output....

i made changes in the code..i used .equals instead of == operator.....actually i have the book...i have not read much from it...well thanks for the link..now it seems that i need to really start reading...

Dear Maggie,

You are Directly asking for logic for your simple code... Please Make Some Effort for your self..

Read the complete book suggested above..and I am sure you will not have any problems..

atleast for simple jsp and servlets for sure.