การ update ข้อมูลในฐานข้อมูล เราจะทำยังไงถ้าเราต้องการที่จะ Update ข้อมูลในฐานข้อมูล

<%
	Dim Conn,strSQL,objExec
	Set Conn = Server.Createobject("ADODB.Connection")
	Conn.Open "DRIVER=Microsoft Access Driver (*.mdb);DBQ=" & Server.MapPath("mydatabase.mdb"),"" , ""
	strSQL = "UPDATE customer SET "
	strSQL = strSQL&"CustomerID = '"&Request.Form("txtCustomerID")&"' "
	strSQL = strSQL&",Name = '"&Request.Form("txtName")&"' "
	strSQL = strSQL&",Email = '"&Request.Form("txtEmail")&"' "
	strSQL = strSQL&",CountryCode = '"&Request.Form("txtCountryCode")&"' "
	strSQL = strSQL&",Budget = '"&Request.Form("txtBudget")&"' "
	strSQL = strSQL&",Used = '"&Request.Form("txtUsed")&"' "
	strSQL = strSQL&"WHERE CustomerID = '"&Request.QueryString("CusID")&"' "
	Set objExec = Conn.Execute(strSQL)
	If Err.Number = 0 Then
		Response.write("Save Done.")
	Else
		Response.write("Error Save ["&strSQL&"] ("&Err.Description&")")
	End IF
	Conn.Close()
	Set objExec = Nothing
	Set Conn = Nothing
%>