Able to access WCF page from web

I have created a WCF web service and upload it with my site on smartasp.net hosting but when I try to access and open the the service from web using this link " my site name/AndroidWebService.asmx " I get this error :
Parser Error
Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Could not create type 'WebApplication1.AndroidWebService'.

HTML Code:

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Source Error:
Line 1:  <%@ WebService Language="vb" CodeBehind="AndroidWebService.asmx.vb" Class="WebApplication1.AndroidWebService" %>
Source File: /AndroidWebService.asmx    Line: 1

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The service work fine in my computer!!