private void SetSMsisdn() { try { sMsisdn = Request.QueryString["endUserId"].ToString(); Session["endUserId"] = oUAProfile.Encode(sMsisdn); } catch (Exception exception) { sMsisdn = ""; } string referenceCode = string.Empty; try { referenceCode = Request.QueryString["referenceCode"].ToString(); Session["referenceCode"] = referenceCode; } catch (Exception exception) { referenceCode = ""; Session["referenceCode"] = referenceCode; } }