same as in below link's Solution 1 ...but u have to do some little changes in it
How to print the gridview selected columns?[
^]
function CallPrint() {
var prtContent = document.getElementById('<%= GridView1.ClientID %>');
prtContent.border = 1;
var WinPrint = window.open('','','left=0,top=100,width=80,height=100,toolbar=0,scrollbars=1,status=0,resizable=1');
WinPrint.document.write(prtContent.outerHTML);
var rows = WinPrint.document.getElementById("GridView1").rows;
for(var i=0;i<rows.length;i++)
{
rows[i].deleteCell(0);
}
WinPrint.document.close();
WinPrint.focus();
WinPrint.print();
WinPrint.close();
}
after browsing ur page view source of page u will understand trick...
hope it will help u