网站不能注册了，怎么回事啊？

Microsoft OLE DB Provider for ODBC Drivers 错误 '80040e14'

[Microsoft][ODBC SQL Server Driver][SQL Server]无法将 NULL 值插入列 'id'，表 'xitaotaocomcn.xitaotaocomcn.info_mem'；该列不允许空值。INSERT 失败。

/mreg2.asp，行 134

<%
uname=request.form("uname")
upass=request.form("upass")
uemail=request.form("uemail")
rname=request.form("rname")
if uname<>"" and rname<>"" then
' response.write uname&"uname"
'response.write rname&"rname"
scard=request.form("scard")
sex=request.form("sex")

mtel=request.form("mtel")
address=request.form("address")

ips=request.servervariables("remote_addr")
sql="select * from info_mem where uname='"&uname&"' and email='"&email&"'"
rs.open sql,conn,1,3
if not rs.eof then
response.write "<script language=javascript> alert('已经存在，请重新输入~');window.history.go(-1);</script>"
response.end
else
rs.addnew
rs("uname")=uname
rs("upass")=upass
rs("email")=uemail

rs("rname")=rname
rs("scard")=scard
rs("sex")=sex

rs("combile")=mtel
rs("address")=address
rs("qq")=mqq
rs("ips")=ips
rs.update 行134
response.write "<script language=javascript> alert('注册成功！');"
response.write "window.location.href='./mem/minfo.asp';</script>"
end if
rs.close
sqlm="select * from info_mem where uname='"&uname&"'"
rs.open sqlm,conn,1,1
session("username")=rname
session("userid")=rs("id")
rs.close
set rs=nothing
%>

<%
Set conn = Server.CreateObject("ADODB.Connection")
conn.ConnectionTimeout = 10
conn.CommandTimeout = 20
conn.CursorLocation = 3
conn.ConnectionString = "driver={SQL Server};server=(local);uid=yigou;pwd=yigou;database=dazhe2"
conn.Open
Set rs = Server.CreateObject("ADODB.Recordset")
%>