Disable cut, copy & paste in a TextBox using Javascript.

<asp:TextBox ID="MyTextBox" runat="server" oncopy="return false" onpaste="return false" oncut="return false"></asp:TextBox>

Disable cut, copy & paste in TextBox using JQuery

<asp:TextBox ID="MyTextBox" runat="server" ></asp:TextBox>

<script type="text/javascript">

$(document).ready(function () {

$('#MyTextBox').bind('copy paste cut', function (e) {

e.preventDefault(); //disable cut,copy,paste

});

});

</script>

Note: Both the methods mentioned above, to prevent the cut, copy and paste event of TextBox, works on all the version of all the browsers.