error on server XML Parsing Error: not well-formed Location: http://www......./

Hello All,
Mycode working fine on the localhost but getting below error on server.

XML Parsing Error: not well-formed Location: http://www......./
Line Number 1,
Column 2:<%@ page language="VB" autoeventwireup="false" inherits="_Default,
App_Web_default.aspx.cdcab7d2" %>
-^

I have searched lot and also tried below command
%Windir%\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -i.
but no solution.
Is there anything missing on server or............
Thanx in advance....