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BOOK: Beginning ASP.NET 4 : in C# and VB
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Old March 29th, 2013, 11:00 AM
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Default Problems with GridView

In my application I need to have the value placed into one field to be the result of a calculation based on values in two other fields. I tried to do this with the following jQuery:
   <script type="text/javascript">
        $(function () {
            $("input[type='text']").change(function () {
                var unitNetPrice = (this.value);
                var quantity = $(this).prev().prev();
                var netPrice = quantity * unitNetPrice;
                $(this).next().next().attr('value', netPrice);
I was hoping that this would fire while the user is in Edit mode on the row and after the user has entered the "unitNetPrice". It also assumes that the user has already entered "quantity". But nothing happens. Is there a small glitch in this approach or is this not the way to approach this?

Another problem I just noticed is how to validate the user's input. When I enter the DataFormatString, that is what is displayed in the non-edited rows instead of the actual data.
Old March 29th, 2013, 11:11 AM
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Hi there,

Since this is not related to my book directly, try posting this in the General ASP.NET category from this list: http://p2p.wrox.com/asp-net-4-539/ That way, you'll attract more viewers. If you post there, consider expanding your problem description and sample code.


Imar Spaanjaars
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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