Asp problem - hjælp behøves :-)

jeg har lavet denne kode...
men når jeg trykke gem, nederst får jeg fejlen

Microsoft OLE DB Provider for ODBC Drivers (0x80040E14)
[Microsoft][ODBC Microsoft Access Driver] Syntax error in UPDATE statement.
Lcatret.asp, line 15

jeg kan ikke finde fejlken, kan nogen af jer ?

<%Dim ID,opslag

id=Request.QueryString(\"ID\")

Set Connection = Server.CreateObject(\"ADODB.Connection\")
Connection.Open \"DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=\"&Server.MapPath(\"Data/Databank.mdb\")

if request.querystring(\"knap\")<>\"Ret\" then

SQLstringK=\"SELECT * FROM Cat WHERE id=\"&id
SET opslag=Connection.Execute(SQLstringK)
else

SQLstringK=\"UPDATE gbok SET Cat=\'\"&Request.QueryString(\"Cat\")&\"\', addby=\'\"&Request.QueryString(\"addby\")&\"\', date=\'\"&Request.QueryString(\"date\")&\"\' WHERE id=\"&id
Connection.Execute(SQLstringK)
response.buffer=true
response.clear
response.redirect \"LCatEdit.asp\"
response.end

end if
%>
<html>

<head>
<meta http-equiv=\"Content-Language\" content=\"da\"><LINK HREF=\"style1.css\" REL=\"styleSheet\" type=\"text/css\">
<title>Admin På Ms jubiis Havnekontor</title>
</head>

<body>
<div align=\"center\">
<center>
<table border=\"0\" cellspacing=\"0\" style=\"border-collapse: collapse\" id=\"AutoNumber1\">
<tr>
<td width=\"100%\" valign=\"top\" style=\"padding:0; \">
<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border-collapse: collapse\" id=\"AutoNumber4\">
<tr>
<td width=\"72%\" height=\"333\" valign=\"top\">
<table border=\"0\" width=\"318\" bgcolor=\"#000000\" cellspacing=\"1\" cellpadding=\"0\" height=\"178\" align=\"center\">
<tr>
<td width=\"316\" bgcolor=\"#FFFFFF\" valign=\"top\">
&nbsp;<table width=\"66%\" border=\"0\" cellspacing=\"2\" cellpadding=\"2\" style=\"border-collapse: collapse\" bordercolor=\"#111111\">
<tr>
<td width=\"75%\" valign=\"top\" align=\"left\">
<p align=\"center\" style=\"margin-top: 0; margin-bottom: 0\"> <font face=\"tahoma\" size=\"2\"><b>
<font face=\"Tahoma\">
Ret Kategori</font></b></font><font face=\"Tahoma\" size=\"2\"> </font>
<p align=\"center\" style=\"margin-top: 0; margin-bottom: 0\">
<a href=\"LCatEdit.asp\"><font color=\"#000000\" face=\"Tahoma\" size=\"2\">Tilbage Til
Oversigten</font></a></p>
<hr noshade size=\"1\" color=\"#000000\" width=\"90%\" align=\"center\">
<%if not opslag.eof then%><font face=\"Tahoma\" size=\"2\"> </font>
<form method=\"GET\" action=\"<%=request.servervariables(\"SCRIPT_NAME\")%>\">
<table width=\"317\" border=\"0\" cellspacing=\"0\" cellpadding=\"2\" style=\"border-collapse: collapse\" bordercolor=\"#111111\">
<tr>
<td class=\"skrift\" width=\"154\" valign=\"top\" height=\"22\">
<font face=\"Tahoma\" size=\"2\">Cat Navn:</font></td>
<td height=\"22\" width=\"152\">
<font face=\"Tahoma\">
<input type=\"text\" name=\"cat\" maxlength=\"100\" class=\"bottom\" value=\"<%=OPSLAG(\"cat\")%>\" size=\"28\"></font></td>
</tr>
<tr>
<td class=\"skrift\" width=\"154\" valign=\"top\" height=\"22\">
<font face=\"Tahoma\" size=\"2\">Oprettet af:</font></td>
<td height=\"22\" width=\"152\">
<font face=\"Tahoma\">
<input name=\"addby\" maxlength=\"100\" class=\"bottom\" value=\"<%=OPSLAG(\"addby\")%>\" size=\"28\"></font></td>
</tr>
<tr>
<td class=\"skrift\" width=\"154\" valign=\"top\" height=\"22\">
<font face=\"Tahoma\" size=\"2\">Add Date:</font></td>
<td height=\"22\" width=\"152\">
<font face=\"Tahoma\">
<input name=\"date\" maxlength=\"100\" class=\"bottom\" value=\"<%=OPSLAG(\"date\")%>\" size=\"28\"></font></td>
</tr>
<tr>
<td class=\"skrift\" width=\"306\" valign=\"top\" height=\"1\" colspan=\"2\">
</td>
</tr>
</table>
<font face=\"Tahoma\">
<input type=\"hidden\" name=\"id\" value=\"<%=opslag(\"id\")%>\">
</font>
<p align=\"center\">
<font face=\"Tahoma\"><font size=\"2\">
<br>
</font>
<input type=\"submit\" value=\"Ret\" name=\"knap\" class=\"bottom\"><font size=\"2\">
</font>
<input type=\"reset\" value=\"Nulstil\" name=\"B2\" class=\"bottom\"><font size=\"2\">
</p>
</form>
<%end if%> </font></font>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</center>
</div>
<div align=\"center\">
<center>
<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border-collapse: collapse\" width=\"85%\" id=\"AutoNumber2\">
<tr>
<td width=\"100%\"></td>
</tr>
</table>
</center>
</div>

</body>

</html>