Hi,
I have a form that collects information about up to 5 items. I would
like the user to be able to select from a drop down menu how many items
for which they want to compare information, and then have the form
change the number of input fields accordingly.
In other words, if the user selects enter info for 3 items, then input
fields for only 3 items are shown, if they change it to 4 items, then a
fourth column shows up in the table with the appropriate input fields.
Any advice that could be provided would be greatly appreciated.
Best wishes,
George Hadley gh********@yaho o.com 2 1650
wrote on 04 jan 2006 in comp.lang.javas cript: I have a form that collects information about up to 5 items. I would like the user to be able to select from a drop down menu how many items for which they want to compare information, and then have the form change the number of input fields accordingly.
In other words, if the user selects enter info for 3 items, then input fields for only 3 items are shown, if they change it to 4 items, then a fourth column shows up in the table with the appropriate input fields.
Any advice that could be provided would be greatly appreciated.
Show us what you have come up with sofar.
Tip:
You can make
<input style='display: none;' id='v1'>
appear with:
n=1
document.getEle mentById('v'+n) .style.display= ''
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)
U can add the text fields dynamically.
addToDiv(div,n) {
var str = "<input type='text' id='textGrp'>";
for(i=0;i<n;i++ ) {
div.innerHTML += str;
}
}
Call this function after selecting a value in select box.
you can pass div or any other object...someth ing like this.,
onSelectBoxChan ge() {
var noOfItems;
//get the noOfItems selected.
var myDiv = document.getEle mentById("divTo WhichToAddTextF ields");
addToDiv(myDiv, noOfItems);
}
At server side you can get array of values for parameter ''textGrp''
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