Cannot use Request.Form collection after calling BinaryRead

<%
// WA eCart AddToCart
if (String(WA_DFP_UploadObj.Form("WA_eCart1_1_ATC")) != "undefined" || String(WA_DFP_UploadObj.Form("WA_eCart1_1_ATC.x")) != "undefined")     {
  var ATC_itemID = String(WA_DFP_UploadObj.Form("WA_eCart1_1_ID_Add"));
  var ATC_AddIfIn = 0;
  var ATC_RedirectAfter = "cart2.asp";
  var ATC_RedirectIfIn  = "";
    var ATC_itemName = "" + String((Recordset1.Fields.Item("Product").Value)) + "";// column binding
    var ATC_itemDescription = "" + String((Recordset1.Fields.Item("Description").Value)) + "";// column binding
    var ATC_itemWeight = parseFloat("0");// column binding
    var ATC_itemQuantity = "" + String(WA_DFP_UploadObj.Form("WA_eCart1_1_Quantity_Add")) + "";// column binding
    var ATC_itemPrice = parseFloat("" + String((Recordset1.Fields.Item("Price").Value)) + "");// column binding
    var ATC_itemImage = "" + String(WA_DFP_UploadObj.Form("UploadImage")) + "";// column binding
    var ATC_itemSize = "";// column binding
  ATC_itemQuantity = parseFloat(ATC_itemQuantity);
  if (!isNaN(ATC_itemQuantity) && ATC_itemQuantity != 0)     {
    WA_eCart1.AddToCart(ATC_AddIfIn, ATC_RedirectIfIn, ATC_itemID, ATC_itemName, ATC_itemDescription, ATC_itemWeight, ATC_itemQuantity, ATC_itemPrice, ATC_itemImage, ATC_itemSize);
    if (ATC_RedirectAfter != "" && WA_eCart1_redirStr == "")     {
      WA_eCart1_redirStr = ATC_RedirectAfter;
    }
    Session("WAEC_ContinueRedirect") = String(Request.ServerVariables("Script_Name"))  + "?" + String(Request.QueryString());
  }
}
%>

<%
var Recordset1__MMColParam = "70";
if (String(WA_DFP_UploadObj.Form("MM_EmptyValue")) != "undefined" && 
    String(WA_DFP_UploadObj.Form("MM_EmptyValue")) != "") { 
  Recordset1__MMColParam = String(WA_DFP_UploadObj.Form("MM_EmptyValue"));
}
%>
<%
var Recordset1_cmd = Server.CreateObject ("ADODB.Command");
Recordset1_cmd.ActiveConnection = MM_GIFTS_DB_STRING;
Recordset1_cmd.CommandText = "SELECT * FROM Product1 WHERE ID = ?";
Recordset1_cmd.Prepared = true;
Recordset1_cmd.Parameters.Append(Recordset1_cmd.CreateParameter("param1", 5, 1, -1, Recordset1__MMColParam)); // adDouble

var Recordset1 = Recordset1_cmd.Execute();
var Recordset1_numRows = 0;
%>