Solved

Forms Problems!!

Posted on 2002-04-27
13
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Last Modified: 2010-04-01
I don't know if this is the right place to post this or not!!
anyway here is the situation..
I have a form with 2 submit buttons (Preview & Finished)..the form should display a number of questions (for students to answer) that are obtained from the database(I used PHP and Mysql) and for that it contains a lot of input types(radio,checkbox,text)..
Preview is for previewing answers.
Finished is for storing results and here I used javascript to display a confirmation message to see if  he/she really wants to end the test if he/she clicked on OK his/her answers should be stored.. but non of the values is recognized at that part of code!!I tried to do this without the confirmation message and it worked!!
I don't know if this is a javascript problem or not?? and if so how can I fix it??

Thanks.
0
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Question by:lina2401
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13 Comments
 
LVL 33

Expert Comment

by:hongjun
ID: 6973233
How you go about doing the confirmation? Below is just an example.

<script language="Javascript">
<!--
function FinishClick()
{
        // ok pressed
     if ( confirm("Are you sure you want to submit?") )
          document.frmMain.submit();
}
//-->
</script>

<form name="frmMain" action="second_page.jsp" method="post">
...
<input type="button" value="Finish" onclick="FinishClick();">
</form>


hongjun
0
 

Author Comment

by:lina2401
ID: 6973825
this is what I did.
<script language="Javascript">
<!--
function ConfirmChoice2()
{
answer = confirm("Are you sure you want to end this test?")
if (answer==1)
{
location = "student_test.php?action=Finished"
}
}
//-->
</script>
<form action="student_test.php" method="post">
...
<input type="submit" name="action" value="Preview">
<input type="submit" name="action" value="Finished" onclick=" ConfirmChoice2(); return false;">
</form>

student_test.php
if ($action==Finished)
....
elseif ($action==Preview)
....
else
....

I'm not familiar with jsp!!so any help would be appreciated.

0
 
LVL 12

Accepted Solution

by:
ahosang earned 25 total points
ID: 6974274
I don't know why you say JSP. This is nothing to do with JSP. JSP is a Java server-side technology
Try this:
<html>
<head>
<title></title>
<script>
function check(s) {
  if (s=="Preview") {
    document.forms[0].act.value="S1";
    document.forms[0].submit();
  } else if (s=="Finish") {
    if (confirm("Are you sure you want to end this test?")) {
      document.forms[0].act.value="S2";
      document.forms[0].submit();
    }
  }
}
</script>

</head>

<body>
Test Page
<form>
<input type="text" name="t1"><br><br>
<input type="button" name="b" value="S1" onclick="check('Preview')"><br>
<input type="button" name="b1" value="S2" onclick="check('Finish')">
<input type="hidden" name="act" value="">
</form>

</body>
</html>
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LVL 33

Expert Comment

by:hongjun
ID: 6974349
Try this


<script language="JavaScript">
<!--
function PreviewPage()
{
     document.frmMain.type = "preview";
     document.frmMain.submit();
}

function ConfirmChoice2()
{
     if (confirm("Are you sure you want to end this test?"))
     {
          document.frmMain.type = "finish";
          document.frmMain.submit();
     }
}
//-->
</script>
<form name="frmMain" action="student_test.php" method="post">
...
<input type="button" value="Preview" onClick="PreviewPage();">
<input type="button" value="Finished" onClick="ConfirmChoice2();">
<input type="hidden" name="type">
</form>



A hidden field named type will be posted to student_test.php. Check the value of this value to determine is it a preview or a finish request.



hongjun
0
 

Author Comment

by:lina2401
ID: 6974807
I tired that and I got an error message in these lines:
-document.frmMain.type = "preview";
-document.frmMain.type = "finish";
"Object doesn't support this property or method"
isn't because I use "get" instead of "post"??

-thanks
0
 

Author Comment

by:lina2401
ID: 6976371
This question was posted in the wrong place...so I moved it to the javascript section..
0
 
LVL 12

Expert Comment

by:ahosang
ID: 6976528
Did you try my suggestion?
0
 

Author Comment

by:lina2401
ID: 6977006
yep and I got the same error msg!!
0
 
LVL 12

Expert Comment

by:ahosang
ID: 6979298
Impossible to get exactly the same error message!!
My code works as a standalone page. If you incorporating it into your own page and get an error, post the code or the error message(preferably the code).
0
 
LVL 33

Expert Comment

by:hongjun
ID: 6989531
lina, I suggest you continue to work on this question instead of moving to javascript TA. This can be unfair to those experts who have put in effort on this question.

hongjun
0
 

Expert Comment

by:sushifish
ID: 7000549
Possible error:

don't use

location=("student_test.php?action=Finished");

but replace the above code with following code:

document.form_name.action.value="Finish";
document.form_name.submit();

and please insert this into your <form> HTML tag

<form action="student_test.php" method="post" name="form_name">

<input type="hidden" name="action">
</form>

hope this helps.

0
 
LVL 33

Expert Comment

by:hongjun
ID: 7002840
Why a delete!!!

hongjun
0
 
LVL 5

Expert Comment

by:Netminder
ID: 7034424
Force-accepted by
Netminder
CS Moderator

hongjun: points for you at http://www.experts-exchange.com/jsp/qShow.jsp?ta=jsp&qid=20304611
0

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