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Home/ Questions/Q 5966339
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Editorial Team
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Editorial Team
Asked: May 22, 20262026-05-22T19:47:08+00:00 2026-05-22T19:47:08+00:00

I need to validate the email address that are semicolon separated using ListView. e.g.

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I need to validate the email address that are semicolon separated using ListView.

e.g.
abc@email.com;abded@email.com;dfds@dfd.com
etc.

Is there any event that I can use on code behind as I can’t seem to get it working..

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  1. Editorial Team
    Editorial Team
    2026-05-22T19:47:09+00:00Added an answer on May 22, 2026 at 7:47 pm

    Place a CustomValidator control. And handle its ServerValidate event.

    Refer to How to: Validate with a Custom Function for ASP.NET Server Controls

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