ASP connect MSSQL 2008 ได้แต่เวลาเรียก table กลับ invalid object name

<%
	Dim Conn,strSQL,objRec,arrField
	Set Conn = Server.Createobject("ADODB.Connection")
	Conn.Open "Driver={SQL Server};Server=.\SQLEXPRESS;Database=cpabc_com;UID=acb_db;PWD=abc1;" 
	strSQL = "SELECT * FROM [th_AboutUs]"
	Set objRec = Server.CreateObject("ADODB.Recordset")
	objRec.Open strSQL, Conn, 1,3
	Response.write "<b>Table customer have "& objRec.Fields.Count &" Fields.</b><br>"
	For Each arrField In objRec.Fields
		Response.write arrField.Name & "<br>"
	Next

	objRec.Close()
	Conn.Close()
	Set objRec = Nothing
	Set Conn = Nothing
%>