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Perform calculation inside textbox

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Jeff
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Jeff asked on 15 Mar 2016, 08:59 PM

Hi,

I'm wondering if anyone has come up with a way to perform calculations within a single TextBox or NumericTextBox?

For example, if I enter "3+5" as the text and then remove focus from the TextBox, I'd want the text value to update to "8". Similarly for other operations such as division or multiplication.

I've seen this behavior within other web applications ("You Need a Budget" comes to mind) and am wondering if a framework exists rather than building from scratch in javascript.

Thanks,

Jeff

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Vessy
Telerik team
answered on 16 Mar 2016, 03:27 PM
Hi Jeff,

No, I am afraid that RadTextBox does not provide such calculation functionality out-of-the-box and you will need to implement it on your own. You can find useful the RadTextBox's client-side OnBlur even during this process:
http://docs.telerik.com/devtools/aspnet-ajax/controls/textbox/client-side-programming/events/onblur


Regards,
Vessy
Telerik
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