ApplicationPath only works in IDE

Question

Can anyone please tell me what am I missing here?

I have the following function

public string GetHostedPageUrl(string pPageName)
{
    string _sHostedPageUrl = HttpContext.Current.Request.ApplicationPath.Trim();
        _sHostedPageUrl += HttpContext.Current.Request.PhysicalApplicationPath.Substring(ncGlobal.WebApplicationPath.Length).Replace('\\', '/').Insert(0, "/") + pPageName;
        return _sHostedPageUrl;
}

 I use it on plain client-side html <a href="<%=GetHostedPageUrl("Home.aspx")%>">Home</a>

 

in the Visual Studio 2010 IDE works 100% fine, but once I publish-compile the project and deploy it does not work.

 

Any Idea

 

TIA