Disable Copy Text From Web Pages

// copy paste this script inside  head section of page OR contentplaceholder's head content

<script type="text/javascript">

function disableSelection(target){
if (typeof target.onselectstart!="undefined") //IE route
target.onselectstart=function(){return false}
else if (typeof target.style.MozUserSelect!="undefined") //Firefox route
target.style.MozUserSelect="none"
else //All other route (ie: Opera)
target.onmousedown=function(){return false}
target.style.cursor = "default"
}

</script>

//Then copy paste these scripts according usage inside body section OR contentplaceholder

<script type="text/javascript">
disableSelection(document.body) //disable text selection on entire body of page
</script>

<script type="text/javascript">
var somediv=document.getElementById("mydiv")
disableSelection(somediv) //disable text selection within DIV with id="mydiv"
</script>

<script type="text/javascript">
var alltables=document.getElementsByTagName("table")
for (var i=0; i<alltables.length; i++)
disableSelection(alltables[i]) //disable text selection within all tables on the page
</script>