SuppressFormsAuthenticationRedirectModule.cs

SuppressFormsAuthenticationRedirectModule.cs

public class SuppressFormsAuthenticationRedirectModule : IHttpModule
{
    public void Init(HttpApplication context)
    {
        context.PostReleaseRequestState += OnPostReleaseRequestState;
    }

    private void OnPostReleaseRequestState(object source, EventArgs args)
    {
        var context = (HttpApplication)source;
        var response = context.Response;
        var request = context.Request;
        if (response.StatusCode == 401 && request.Headers["X-Requested-With"] == "XMLHttpRequest")
            context.Response.SuppressFormsAuthenticationRedirect = true;
    }

    public void Dispose()
    {
    }
}