~这个异常是什么情况？Microsoft OLE DB Provider for ODBC Drivers 异常 '80004005'

2013-06-26

在线等~~这个错误是什么情况？Microsoft OLE DB Provider for ODBC Drivers 错误 �'我从

在线等~~这个错误是什么情况？Microsoft OLE DB Provider for ODBC Drivers 错误 '80004005'
我从网上下了个留言板源代码用iis打开其index.asp之后，浏览器上就出现这个错误。
完整的错误提示如下：
Microsoft OLE DB Provider for ODBC Drivers 错误 '80004005'
[Microsoft][ODBC 驱动程序管理器] 未发现数据源名称并且未指定默认驱动程序
/downloadtest/aspliuyanban/aspliuyanban/aspliuyanban/guestbook/conn.asp，行 19

conn.asp 内容如下：
   <%
   dim conn
  dim connstr
   'on error resume next
   call conn_init()

   sub conn_init()
       'on error resume next

          connstr = "DBQ=" + server.mappath("#gbook.mdb") + ";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};"
       set conn=server.createobject("ADODB.CONNECTION")
       if err.number<>0 then
           err.clear
           set conn=nothing
   response.write "数据库连接出错！"
   Response.End
       else
   'response.write connstr
   conn.open connstr
           if err then
              err.clear
              set conn=nothing
   response.write "数据库连接出错！"
              Response.End
           end if
       end if
  end sub

Dim Ft_Post,Ft_Get,Ft_In,Ft_Inf,Ft_Xh,Ft_db,Ft_dbstr,Kill_IP,WriteSql
Ft_In = "'|exec |insert |delete |count |chr |mid |truncate |char |declare "
Kill_IP=True
WriteSql=True
Ft_Inf = split(Ft_In,"|")
If Request.Form<>"" Then
For Each Ft_Post In Request.Form
For Ft_Xh=0 To Ubound(Ft_Inf)
If Instr(LCase(Request.Form(Ft_Post)),Ft_Inf(Ft_Xh))<>0 Then
If WriteSql=True Then
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>"
Response.Write "<Script Language=JavaScript>history.go(-1);</Script>"
Response.End
End If
End If
Next
Next
End If
If Request.QueryString<>"" Then
For Each Ft_Get In Request.QueryString
For Ft_Xh=0 To Ubound(Ft_Inf)
If Instr(replace(LCase(Request.QueryString(Ft_Get)),"<br><li>",""),Ft_Inf(Ft_Xh))<>0 Then
If WriteSql=True Then
Response.Write "<Script Language=JavaScript>alert('请不要在参数中包含非法字符尝试注入！');</Script>"
Response.Write "<Script Language=JavaScript>history.go(-1);</Script>"
Response.End
End If
End If
Next
Next
End If

sub endConnection()
      conn.close
      set conn=nothing

end sub

%>
请问这是什么地方出了错啊？
[解决办法]
[Microsoft][ODBC 驱动程序管理器] 未发现数据源名称并且未指定默认驱动程序

直接搜索这个把

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~这个异常是什么情况？Microsoft OLE DB Provider for ODBC Drivers 异常 '80004005'