Forum:

HTML Pages with CSS and JavaScript

Submit Methods pulling same data

Gregg Bolinger

Ranch Hand

Posts: 15304

I like...

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

I have an HTML page that displays 5 buttons using the form tag. Each of these buttons start a different servlet that returns some database information to me. I would like the user to be able to put in a date range so I have added 2 text field. One for FromDate and the other for ToDate.
What I need to know is how to pull data from those fields for all the buttons. I don't want to have to have text fields for each button.
Here is my HTML code.

Brian Glodde

Ranch Hand

Posts: 171

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

One way is to add 2 hidden fields to each form and populate those before the form submission. Something like onsubmit="populateHidden(startDate,endDate);"
You could do similar trickery with a querystring, using HTTP GET rather than post.
Hope that helps!
[ May 10, 2002: Message edited by: Brian Glodde ]

Gregg Bolinger

Ranch Hand

Posts: 15304

I like...

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

I understand what you are saying, but could you show me? I mean, where do I put the onsubmit=" "
and what is the format for the hidden fields?

Brian Glodde

Ranch Hand

Posts: 171

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

Greg, Here's one done for you. I will warn you, I did this quickly in IE, the syntax is definitely wrong for NS. You'll have to branch it to document.layers for that.

<html>
<head>
<title>Reports</title>
<script language="JavaScript">
function setDates(n, frm)
{
    var sd = document.all.HDSfromDate.value;
    var ed = document.all.HDStoDate.value;
    if( sd != "" && ed != "" )
    {
        // call your date validation routine
        // return false to stop the submission...
        // valid dates, now set the hidden field values
       e v a l("document.forms[" + n + "]." + frm + "_startDate.value='" + sd + "'"); 
       e v a l("document.[" + n + "]." + frm + "_endDate.value='" + ed + "'");
        // hidden values set, submit form
        return true;
    }
    return false;
}
</script>
</head>
<body>
<BR>
From Date: <input type="text" size="20" name="HDSfromDate">
<br>
To Date: <input type="text" size="20" name="HDStoDate">
<form action=http://IPADDRESS:8080/servlet/UnacceptedTickets method=POST onsubmit="return setDates(0, 'UTickets');">
<input type="submit" name="UTickets" value="Unaccepted Tickets">
<input type="hidden" name="UTickets_startDate" value="">
<input type="hidden" name="UTickets_endDate" value="">
</form>
</body>
</html>

* the eval statement causes an error with UBB, so I am using "e v a l".
For the subsequent forms, you'll just change the arguments to match. The next form would be
onsubmit="return setDates(1, 'ATickets');"
Happy coding!

Gregg Bolinger

Ranch Hand

Posts: 15304

I like...

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

Brian, you are the man!! Thanks a mill.

Gregg Bolinger

Ranch Hand

Posts: 15304

I like...

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

Ok. I tried the above code and here is what happens.
I get this error
'document.forms.0.HDStats_startDate' is null or not an object
And I am entering data into the textFields.
Here is my HTML

Thanks

swaroop shastri

Ranch Hand

Posts: 65

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

I modified your code a bit. Check to c if this works. I did not try it out but my experience says that it might work!

< html >
<head><title>Reports</title>
<script language="Javascript">
function ChangeAction(str)
{
    document.forms[0].action=str;
}
</script>
</head>
<body>
<BR>
<form action="http://IPADDRESS:8080/servlet/UnacceptedTickets" method=POST>
From Date
<input type="text" size="20" name="HDSfromDate">
<br>
To Date
<input type="text" size="20" name="HDStoDate">
<br>

Adam Hardy

Ranch Hand

Posts: 567

posted 22 years ago

Number of slices to send:

Optional 'thank-you' note:

Send

I don't mean to be overly critical but are you sure you're going about this the best way, doing it all with lots of forms?
Why don't you have one form and have a servlet that then directs the flow of control to the appropriate method or another servlet, depending on which button was pressed?
That way you only need one form, one set of dates and you're even starting to do MVC design.
Adam

I have seen things you people would not believe, attack ships on fire off the shoulder of Orion, c-beams sparkling in the dark near the Tennhauser Gate. All these moments will be lost in time, like tears in the rain.

Did you see how Paul cut 87% off of his electric heat bill with 82 watts of micro heaters?