How to make a decision on a jsp form ?

[Adam Zedan]

Hi i have the following HTML code in my jsp

I retrieve a value from session using my JSP

<%=session.getAttribute("status")%>

in response i get a P,F,A for (Pass,fail, and absent)

Now There are 3 radio buttons on my jsp page:
but i only want one of the options marked on the basis of the above result how can i do that ??

<input name="status" type="radio"  /> Pass <br />
        <input name="status" type="radio"  /> Fail <br />
        <input name="status" type="radio"  /> Absent<br />

I guess i can do something like:

   <input name="status" type="radio"  <% if(session.getAttribute("status")=="P"){checked}  %> /> Pass <br />

but thats not working.. I would like to know what you guys suggest..thanks...

[Bear Bibeault]

Adam Zedan wrote:but thats not working..

That's not very helpful. Read: ItDoesntWorkIsUseless.

[Paul Clapham]

I would suggest ditching the scriptlets and switching to JSTL and EL. Here's how you would do that in EL:
<input name="status" type="radio" ${status == "P" ? "checked" : ""} /> Pass

[Adam Zedan]

Bear Bibeault wrote:

Adam Zedan wrote:but thats not working..

That's not very helpful. Read: ItDoesntWorkIsUseless.

sorry i was unclear before... my bad.
anyways i tried to use the following code in my jsp but the option did not get marked porbably cause checked did not get written
<input name="status" type="radio" <% if(session.getAttribute("status")=="P"){checked} %> /> Pass

[Adam Zedan]

Adam Zedan wrote:

Bear Bibeault wrote:

Adam Zedan wrote:but thats not working..

That's not very helpful. Read: ItDoesntWorkIsUseless.

sorry i was unclear before... my bad.
anyways i tried to use the following code in my jsp but the option did not get marked porbably cause checked did not get written
<input name="status" type="radio" <% if(session.getAttribute("status")=="P"){checked} %> /> Pass

thanks that did the trick but could you also tell me how to accomplish the same task using scriptlet?

[Paul Clapham]

Adam Zedan wrote:thanks that did the trick but could you also tell me how to accomplish the same task using scriptlet?

Was that referring to my post? If so, no, I couldn't. I don't use them any more.

[Adam Zedan]

One more thing... initially when an attribute doesnot exist and on my jsp page i use

<td><input type="text" name="textname" value=<%=session.getAttribute("name")%> /></td>

I get NULL value. Is there any way by which i can just have an empty value ?? or will i have to check for NULL and replace it with empty ??

[Bear Bibeault]

Adam Zedan wrote:but could you also tell me how to accomplish the same task using scriptlet?

If it's working, why would you want to resort to discredited scriptlets?

[Adam Zedan]

Bear Bibeault wrote:

Adam Zedan wrote:but could you also tell me how to accomplish the same task using scriptlet?

If it's working, why would you want to resort to discredited scriptlets?

I guess i should stick to JSTL and EL.. The best way is to not use them.. Thanks for the encouragement...
though i figured it out lol.. just had to use out.println(" checked") in the condition.. But ill stick to Extended language Version... thanks guys..

[Paul Clapham]

Adam Zedan wrote:One more thing... initially when an attribute doesnot exist and on my jsp page i use

<td><input type="text" name="textname" value=<%=session.getAttribute("name")%> /></td>

I get NULL value. Is there any way by which i can just have an empty value ?? or will i have to check for NULL and replace it with empty ??

Well, yes. The EL automatically does that for you.