i have a one modelpopup in this modelpopup in ajax tabcontainer all data's are coming but in this documents one link button is there in this link button show Image and Pdf Files are there i want to open this pdf file in browser new tab how i can do

 if (Session["DriverId"].ToString() != null)         {             this.ModalPopupExtender1.Show();             string id = Session["DriverId"].ToString();             hdnFId.Value = id;                          objTrack_Documents obj = new objTrack_Documents();             obj.StaffFkId = Convert.ToInt32(id);             DataTable dt = objeditdriver.EditDriverDocumentDetails(obj);             string DL = dt.Rows[1]["DocFileName"].ToStr ...