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Views: 6414 | Replies: 1
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Join Date: Jun 2005
Posts: 2
Reputation: 
Rep Power: 0
Solved Threads: 0
Newbie Poster
I have several fields being updated for a parking structure... The client inputs the number of cars and can immediately see the percentage before updating the database....
The field names always change so I need the JavaScript to be able to pick up the unique field names calculate and place into the total field box...
I found this code online, but I need to do this dynamically for hundreds of lots...
So basically I have a field name and an ID number identifying the 3 related fields...
Here's an example that works for one lot:
<HEAD>
<script type="text/javascript">
<!-- Begin
function startCalc(){
interval = setInterval("calc()",1);
}
function calc(){
one = document.autoSumForm.firstBox.value;
two = document.autoSumForm.secondBox.value;
document.autoSumForm.thirdBox.value = (one * 1) / (two * 1);
}
function stopCalc(){
clearInterval(interval);
}
// End -->
</script>
</HEAD>
<BODY>
<form name="autoSumForm">
<input type=text name="firstBox" value="1000" onFocus="startCalc();" onBlur="stopCalc();"> /
<input type=text name="secondBox" value="" onFocus="startCalc();" onBlur="stopCalc();"> =
<input type=text name="thirdBox">
</BODY>
Here is an example of what I need, notice there is an ID number after each field name....
<input type=text name="firstBox123" value="1000" onFocus="startCalc();" onBlur="stopCalc();"> /
<input type=text name="secondBox123" value="" onFocus="startCalc();" onBlur="stopCalc();"> =
<input type=text name="thirdBox123">
<input type=text name="firstBox221" value="1000" onFocus="startCalc();" onBlur="stopCalc();"> /
<input type=text name="secondBox221" value="" onFocus="startCalc();" onBlur="stopCalc();"> =
<input type=text name="thirdBox221">
The field names always change so I need the JavaScript to be able to pick up the unique field names calculate and place into the total field box...
I found this code online, but I need to do this dynamically for hundreds of lots...
So basically I have a field name and an ID number identifying the 3 related fields...
Here's an example that works for one lot:
<HEAD>
<script type="text/javascript">
<!-- Begin
function startCalc(){
interval = setInterval("calc()",1);
}
function calc(){
one = document.autoSumForm.firstBox.value;
two = document.autoSumForm.secondBox.value;
document.autoSumForm.thirdBox.value = (one * 1) / (two * 1);
}
function stopCalc(){
clearInterval(interval);
}
// End -->
</script>
</HEAD>
<BODY>
<form name="autoSumForm">
<input type=text name="firstBox" value="1000" onFocus="startCalc();" onBlur="stopCalc();"> /
<input type=text name="secondBox" value="" onFocus="startCalc();" onBlur="stopCalc();"> =
<input type=text name="thirdBox">
</BODY>
Here is an example of what I need, notice there is an ID number after each field name....
<input type=text name="firstBox123" value="1000" onFocus="startCalc();" onBlur="stopCalc();"> /
<input type=text name="secondBox123" value="" onFocus="startCalc();" onBlur="stopCalc();"> =
<input type=text name="thirdBox123">
<input type=text name="firstBox221" value="1000" onFocus="startCalc();" onBlur="stopCalc();"> /
<input type=text name="secondBox221" value="" onFocus="startCalc();" onBlur="stopCalc();"> =
<input type=text name="thirdBox221">
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Join Date: Jun 2005
Location: Seattle, WA
Posts: 53
Reputation:
Rep Power: 4
Solved Threads: 0
Junior Poster in Training
You need to loop through a series of texboxes, right?
so something like this should work to get the value of your textboxes...
so something like this should work to get the value of your textboxes...
for(i=0; i<document.forms[0].elements.length; i++){
if(document.forms[0].elements[i].type == 'text')
var elName = document.forms[0].elements[i].name;
var elValue = document.forms[0].elements[i].value;
// Display element name and value
alert(elName +' = '+ elValue)
}
} |
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