Just follow the steps below:
1. Put :
<script type="text/javascript">
2. Inside block script put $(document).ready(function() function
<script type="text/javascript">
$(document).ready(function() {
3. Can bind for cut , copy , paste for event handler to target textbox
<script type="text/javascript">
$(document).ready(function() {
$('#<%=txtTarget.ClientID%>').
4. Prevent behavior that include "copy, cut, paste " for this textbox
<script type="text/javascript">
$(document).ready(function() {
$('#<%=txtTarget.ClientID%>').
function(e) { e.preventDefault(); // default behavior disable
5. Showing alert that cut , copy , pastecut , copy , paste is disabled!
<script type="text/javascript">
$(document).ready(function() {
$('#<%=txtTarget.ClientID%>').
function(e) { e.preventDefault();
alert("cut , copy , paste disable !!!!!");
});
});
</script>
