====== ASP.net Compatibility ======
  * [[http://msdn.microsoft.com/en-us/library/system.servicemodel.activation.aspnetcompatibilityrequirementsattribute.aspx|MSDN - AspNetCompatibilityRequirementsAttribute Class]]
  * [[http://blogs.msdn.com/b/wenlong/archive/2006/01/23/516041.aspx]]

Add to web.config
<code xml>
<system.serviceModel>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true"/>
</system.serviceModel>
</code>

Before service class
<code csharp>
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required)]
public class Service : IService
    {
      ...
    }
</code>