This may help you
One method to print
<input type="button" onclick="javascript:window.print();" value="Print" />
another method to print
<div id="div1">
<input id="Button1" onclick="javascript:CallPrint('div1')" class="button" type="button" value="Print" />
</div>
<script type="text/javascript" language="javascript">
function CallPrint(strid)
{
var prtContent = document.getElementById(strid);
var docwrite=prtContent.innerHTML;
var WinPrint = window.open('','','left=0,top=0,toolbar=0,status=0');
WinPrint.document.open();
WinPrint.document.write(docwrite);
WinPrint.document.close();
WinPrint.focus();
WinPrint.print();
WinPrint.close();
}
</script>