function totalupdate() {
var bags = parseInt($("[id*=gvtxtbags]").val());
var net = parseInt($("[id*=gvtxtnet]").val());
var fromslno = parseInt($("[id*=gvtxtfslno]").val());
if (bags != "" && net != "") {
k = (parseInt(bags)) * (parseInt(net));
$("[id*=gvtxttotal]").val(k);
}
if (bags != "" && fromslno != "") {
a = parseInt(bags) - 1;
b = parseInt(fromslno) + a;
$("[id*=gvtxttoslno]").val(b);
}
}
Hope it will work.. i've solved my problem..