"Lost Focus" event on web form text box

Hi

Is is possible to handle a "lost focus" event on a web form text box in c#?
EugeneCAsked:
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SmithJWCommented:
apologies... that tutorial is for regular forms.
It is possible however, but i read that you have to capture the exitFocus event of the input box... I will try and track down the page again.
SwapnilSoftware ArchitectCommented:
Hi SmithJW,

you can do it by following way.

<script language="javascript">
function LFocus()
{
    alert("test");
}
</script>

<asp:textbox id="txttest" onblur ="javascript:LFocus()"></asp:textbox>


Regards,
NetSwap

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EugeneCAuthor Commented:
Thank you for that but is there anyway I can hook up the Javascript so I can handle code behind functions.
EugeneCAuthor Commented:
Ideally I need to capture the "loose focus" event so that it runs a c# code behind function.
EugeneCAuthor Commented:
Could anyone suggest an alternative approach - I need to capture the "loose focus" event on a c# web form
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