Calculate 2 Form Values With Price And Sums With Total

Sep 20, 2009

Formfield.anzahl1 = number entered by customer
Formfield.Price1 = Ergebnisfeld1
e.g.
Anzahl1= 1
Price = 270
*if Anzahl1 = 2 then Price = 270*2

I need to do this for two form option. 2nd field would be as follows

Formfield.Anzahl2= number entered by customer
Formfield.Price2 = Ergebnisfeld2
Then Formfield.Total = Ergebnisfeld1 + Ergebnisfeld2

How can I convert these above to javascript?

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Calculate Total Price In Added Tablerow

Sep 12, 2010


i have a table inside a form, with input fields ( price, qty, desc, total ( to be updated ), this works as it should with the following javascript:

<script type="text/javascript"><!--
function updatesum() {
document.forms['hours'].elements['onktotal[]'].value = (document.forms['hours'].elements['onkqty[]'].value.replace(",", ".") -0) * (document.forms['hours'].elements['onkprice[]'].value.replace(",", ".") -0);
}
//-->
</script>

now the problem occurs when i put more rows there then the javascript function does not work anymore, my ultimate goal is to create a function to add tablerows with javascript, but i'm trying to create the update function with a static situation first.

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I followed a tutorial online on how to use Javascript to calculate total price. Everything works fine, when all the dropdown select value has it's own value and does not correspond to each other.

Eg :
Cake Type : Round $4.00
Cake Color : Red $3.00
Cake Filling : Raspberry $4.00
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The problem comes when you want to add Cake Layers and the price of Cake Color changes based on No of Layers - 1 Layer , 2 Layer and so on. E.g.:
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Do I have to use if and else conditional statement for every possibility? I am just a beginner. Attached below is the example code I have so far:
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filling_prices["None"]=0;
filling_prices["Lemon"]=5;
filling_prices["Custard"]=5;
filling_prices["Fudge"]=7;
filling_prices["Mocha"]=8;
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function getFillingPrice(){

Is there a better way of simplifying this calculation method? How do I change the price of form values based on selected values on previous dropdown.

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Code:
<?
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Firstly, I got this script which gets values and automatically calculates it and shows result.
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Something like <div id="total"></div>
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import javax.swing.JOptionPane;
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Constants
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Local variables
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String InputStr;
String outputMsg;
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Exception in thread "main" java.util.IllegalFormatConversionException: f != java.lang.Integer
at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4045)
at java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:2761)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2708)
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at java.util.Formatter.format(Formatter.java:2423)
at java.lang.String.format(String.java:2845)
at TicketCost.main(TicketCost.java:35)
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+1 Month = + 0.50 USD
+ 1 User = + 0.50 USD
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