我的这段写入ACCESS的代码到底是哪里出错了啊？为什么只有product,productn两个字段是写得进去的？
<%
if request.querystring("action")="checkdd_cn" then
companyname=request("tcompanyname")
customername=request("tcustomername")
tcustomersex=request("tcustomersex")
tcustomertel=request("tcustomertel")
tcustomeremail=request("tcustomeremail")
tproduct=request("tproduct")
tproductn=request("tproductn")
tspdate=request("tspdate")
set rs=server.createobject("adodb.recordset")
sqlstr="select * from byh_customer"
rs.Open sqlstr,conn,3,3
rs.addnew
rs("ccompany")=companyname
rs("cname")=customername
rs("csex")=tcustomersex
rs("ctel")=tcustomertel
rs("cemail")=tcustomeremail
rs("product")=tproduct
rs("productn")=tproductn
rs("交货日期")=tspdate
rs("填单日期")=now()
rs.update
rs.close
set rs=nothing
set conn=nothing
%>
<script language=vbscript>
msgbox "提交成功!"
window.location="wsdd_cn.asp"
</script>
<%end if%>
<head>
<title><%=byh_site_name%></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="keywords" content="<%=byh_site_key%>">
<LINK href="style.css" type=text/css rel=stylesheet>
</head>
<body background="kl_image/topbg.jpg">
<!--#include file="top_cn.asp"-->
<TABLE width=778 height=490 border=0 align="center" cellPadding=0 cellSpacing=0 id=table1>
<TBODY>
<TR>
<TD vAlign=top align=middle width=778>
<TABLE id=table23 height=198 cellSpacing=0 cellPadding=0 width=778
border=0>
<TBODY>
<TR>
<TD align=middle width=180 rowSpan=4 height="55"> <!--#include file="left_cn.asp"--> </TD>
<TD width=598 colSpan=3 height=34> <P align=center><FONT color=#cc3300 size=3>
网上订单</FONT></P></TD>
</TR>
<TR>
<TD vAlign=top width=598 colSpan=3 height=12></TD>
</TR>
<TR>
<TD width=68 height="33"></TD>
<TD vAlign=top width=462 height="33">
<form method="POST" action="?action=checkdd_cn">
<%
tcompanyname=request("companyname")
tcustomername=request("customername")
tcustomersex=request("customersex")
tcustomertel=request("customertel")
tcustomeremail=request("customeremail")
tproduct=request("product")
tproductn=request("productn")
tspdate=request("spdate")
if tcompanyname ="" then%>
<script language="vbScript">msgbox "对不起，公司名不能为空！"
window.history.go(-1)
</script>
<% response.End()
end if
if tcustomername ="" then%>
<script language="vbScript">msgbox "对不起，用户名不能为空！"
window.history.go(-1)
</script>
<%response.End()
end if
if tcustomertel ="" then%>
<script language="vbScript">msgbox "对不起，电话号码不能为空！"
window.history.go(-1)
</script>
<%response.End()
end if
if tproduct ="" then%>
<script language="vbScript">msgbox "对不起，产品型号不能为空！"
window.history.go(-1)
</script>
<%response.End()
end if
if tproductn ="" then%>
<script language="vbScript">msgbox "对不起，定做数量不能为空！"
window.history.go(-1)
</script>
<%response.End()
end if
if tspdate ="" then%>
<script language="vbScript">msgbox "对不起，交货日期不能为空！"
window.history.go(-1)
</script>
<%response.End()
end if
%>
<p>您填写的内容是：</p>
<table border="1" width="50%" height="142">
<tr>
<td width="50%" height="12">公司名称：</td>
<td width="50%" height="12"><%=tcompanyname%> <input type=hidden name=tcompany value=<%=tcompanyname%>></td>
</tr>
<tr>
<td width="50%" height="10">客户姓名：</td>
<td width="50%" height="10"><%=tcustomername%> <input type=hidden name=tname value=<%=tcustomername%>></td>
</tr>
<tr>
<td width="50%" height="12">性别：</td>
<td width="50%" height="12"><%=tcustomersex%><input type=hidden name=tsex value=<%=tcustomersex%>></td>
</tr>
<tr>
<td width="50%" height="12">联系电话：</td>
<td width="50%" height="12"><%=tcustomertel%><input type=hidden name=ttel value=<%=tcustomertel%>></td>
</tr>
<tr>
<td width="50%" height="12">E-mail：</td>
<td width="50%" height="12"><%=tcustomeremail%> <input type=hidden name=temail value=<%=tcustomeremail%>></td>
</tr>
<tr>
<td width="50%" height="12">产品型号：</td>
<td width="50%" height="12"><%=tproduct%><input type=hidden name=tproduct value=<%=tproduct%>> </td>
</tr>
<tr>
<td width="50%" height="12">定做数量：</td>
<td width="50%" height="12"><%=tproductn%><input type=hidden name=tproductn value=<%=tproductn%>></td>
</tr>
<tr>
<td width="50%" height="12">交货日期：</td>
<td width="50%" height="12"><%=tspdate%><input type=hidden name=tjhrq value=<%=tspdate%>></td>
</tr>
</table>
<p><input type="submit" value="确定" name="B3" ><input type="button" onclick="window.location.href='wsdd_cn.asp'" value="返回重写" name="B2" ></p>
</form>
</TD>
<TD width=68 height="33"> </TD>
</TR>
<TR>
<TD vAlign=top width=598 colSpan=3 height=1> </TD>
</TR>
<TR>
<TD width=180 height=143 rowSpan=3> </TD>
<TD vAlign=top width=598 colSpan=3 height=105>
<HR SIZE=1> <FONT size=2><BR>
</FONT><FONT
size=2 ><%=byh_site_copyright%></FONT>
<P align=center><BR>
<FONT size=2><FONT
color=#ff3333>白永浩设计</FONT>制作维护 <A
href="mailto:ssd858@126.com">ssd858@126.com</A></FONT></P></TD>
</TR>
<TR>
<TD vAlign=top width=598 colSpan=3 height=21> <HR SIZE=1> </TD>
</TR>
<TR>
<TD vAlign=top width=598 colSpan=3 height=17> <P align=center>©
</P></TD>
</TR>
</TBODY>
</TABLE></TD>
</TR>
</TBODY>
</TABLE>
</body>
