Programatically Getting url of site

SPSite osite = new SPSite(Request.QueryString["SiteURL"]);
            SPWeb rWeb = osite.RootWeb;
            //siteName.Text = rWeb.Title;
            SPWeb oweb = osite.OpenWeb();
           // webName.Text = oweb.Title;
            SPList ilist = oweb.Lists[new Guid(Request.QueryString["ListID"])];
            SPListItem iitem = ilist.GetItemById(Convert.ToInt16(Request.QueryString["ItemId"]));
           // listName.Text = ilist.Title;

            lblurl.Text = rWeb.Url + "/" + oweb.Title + "/" + ilist.Title;

How to print a panel in SharePoint 2010

<Script type="text/javascript">

        function printform() {

            var printContent = document.getElementById("<%= pnlFullForm.ClientID %>");

            var windowUrl = "about:blank";

            var uniqueName = new Date();

            var windowName = "Print" + uniqueName.getTime();

            var printWindow = window.open(windowUrl, windowName, "left=50000,top=50000,width=0,height=0");

            printWindow.document.write(printContent.innerHTML);

            printWindow.document.close();

            printWindow.focus();

            printWindow.print();

            printWindow.close();

        }

</script>

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<input type="button" value="Print" id="btnPrint" title="Print" onclick="printform();"

                    class="ms-ButtonHeightWidth" />