Popup .PDF File in New Window from ASP.net Code Page

//Add the Following in Web.Config File

//Add the Following Line of Code in Page Load Event

//Find the path of Download .PDF File from Web.Config File
string sPDFPath = ConfigurationSettings.AppSettings["Pdf_Path"].ToString();

//Prepare a script to open the file in a new window
string popupScript = "Javascript: return " +
"window.open('"+ sPDFPath + "', 'CustomPopUp', " +
"'width=600, height=600, menubar=no, resizable=yes');";

//Attach Script to button control
btnDownloadPdf.Attributes.Add("onclick",popupScript);