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Editorial Team
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Asked: 2026-05-31T15:42:19+00:00

I have asp.net usercontrol and I should implement simple client functionality – send two

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I have asp.net usercontrol and I should implement simple client functionality – send two numbers to the server. I use devexpress, which allow me to send only one string on callback to server. So I don’t want to invent a wheel and just use JSON.stringify method.

<script type="text/javascript" src="https://raw.github.com/douglascrockford/JSON-js/master/json2.js"></script>
<cc1:Button runat="server" ClientSideEvents-Click="
function(s,e)
{
    cbpanelCtrl.PerformCallback(JSON.stringify({width: 800, height: 600}));
}" 
Text="Reload" 
AutoPostBack="false">

Everything works fine in firefox but error raised in IE: Microsoft JScript runtime error: ‘JSON’ is undefined
Why? How should I load script properly?

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1 Answer

  1. Editorial Team

    Turned out that I just use wrong library. I used old version which is not supported by IE. Everyting fine with recent version here http://cdnjs.cloudflare.com/ajax/libs/json2/20110223/json2.js

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