Hi folks, having some problems converting my contact form to bootstrap. My code below works ok, but when I try to convert it to bootstrap I receive the following error;
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback
or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Bootstrap code
<form class="form-horizontal">
<fieldset>
<!-- Form Name -->
<legend>Contact Details</legend>
<!-- Text input-->
<d ...
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