store and retrieve values from cookie

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ASP.NET

i store the values to in following manner

HttpCookie UserCookieN = new HttpCookie("userInfo");
           UserCookieN.Values["FrmType"] = Convert.ToString(Session["FrmType"]);
           UserCookieN.Values["UserId"] = Convert.ToString(UserId);
           UserCookieN.Values["BusId"] = Convert.ToString(BusId);
           UserCookieN.Values["FY"] = Convert.ToString(DdlFY.SelectedValue);
           UserCookieN.Values["RetType"] = Convert.ToString(DdlRetType.SelectedValue);
           UserCookieN.Values["NatRet"] = Convert.ToString(DdlNatRet.SelectedValue);
           UserCookieN.Values["Period"] = Convert.ToString(DdlPeriod.SelectedValue);
           UserCookieN.Expires = DateTime.Now.AddYears(30);
           Response.Cookies.Add(UserCookieN);

Now for specific "FrmType" there are multiple values of UserId,BusId,FY,RetType,NatRet,Period

At time retrieving values i want to get the values for that FrmType .