<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-874" />
<title>Untitled Document</title>
</head>
<body>
<script type="text/javascript">
function doCalSum(Record, Qty, Price){
var Sum;
Sum = parseInt(Qty) * parseFloat(Price);
document.getElementById("hdnSum" + Record).value = Sum.toFixed(2);
document.getElementById("spnSum" + Record).innerHTML = Sum.toFixed(2);
doCalTotal();
}
function doCalTotal(){
var Record = document.getElementById("hdnCount").value;
var Total = 0;
for(i=1;i<=Record;i++){
Total += parseFloat(document.getElementById("hdnSum" + i).value);
}
document.getElementById("spnTotal").innerHTML = Total.toFixed(2);
}
function digitsOnly(obj){
var regExp = /[0-9]$/;
if(!regExp.test(obj.value)){
obj.value = obj.value.substring(0, obj.value.length -1);
return false;
}
}
</script>
<form>
<table width="100%" border="1" cellspacing="0" cellpadding="2">
<tr>
<td align="center"><strong>Product</strong></td>
<td width="120" align="center"><strong>Price</strong></td>
<td width="120" align="center"><strong>Qty</strong></td>
<td width="120" align="center"><strong>Sum</strong></td>
</tr>
<tr>
<td>Test 1 <input type="hidden" name="hdnId1" id="hdnId1" value="1" /></td>
<td align="center">100.25</td>
<td align="center"><input name="txtQty1" type="text" id="txtQty1" size="15" value="1" onkeyup="digitsOnly(this);doCalSum(1, this.value, '100.25')"/></td>
<td align="center"><span name="spnSum1" id="spnSum1">100.25</span>
<input type="hidden" name="hdnSum1" id="hdnSum1" value="100" /></td>
</tr>
<tr>
<td>Test 2 <input type="hidden" name="hdnId2" id="hdnId2" value="2" /></td>
<td align="center">150.25</td>
<td align="center"><input name="txtQty2" type="text" id="txtQty2" size="15" value="1" onkeyup="digitsOnly(this);doCalSum(2, this.value, '150.25')"/></td>
<td align="center"><span name="spnSum2" id="spnSum2">150.25</span>
<input type="hidden" name="hdnSum2" id="hdnSum2" value="150" /></td>
</tr>
<tr>
<td colspan="3"><strong>Total</strong></td>
<td align="center"><span name="spnTotal" id="spnTotal">250.50</span></td>
</tr>
</table>
<input type="hidden" name="hdnCount" id="hdnCount" value="2"/>
</form>
</body>
</html>
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