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#1
March 23rd, 2004, 10:16 AM
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Auto Generating values without clicking buttons
Hi there!
I have a field which allows user to input the cost of a training course. I want the TOTAL COST (including additional charge) to be automatically generated in the next field WITHOUT clicking any sumbit buttons! Below is a section of my codes, please advice. Thank you! <input name="CourseFee" type="text" size="5"> <?$Fee=$_GET['CourseFee'];> $Total = $Fee*1.05;?> <input name="CourseFeeTotal" type="text" size="5" value="<?=$Total?>">
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#3
March 23rd, 2004, 07:27 PM
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RE: Auto Generating values without clicking buttons
As noted above, you'll need to use a client side method(javascript) for this. Here is a very basic beginning:
Code:
<form name="upd" id="upd"> <input type="text" name="subtotal" id="subtotal" onchange="document.upd.total.value=parseFloat(this.value)*1. 05;"><br /> <input type="text" name="total" id="total" disabled="true"><br /> </form> From here you'll need to come up with a rounding function, and depending on your needs, a fuction to update the value as you type it, as opposed to having to tab/click out. Do some searching, and you'll surely find some premade functions.
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