Contentstack .NET Exception Management

catch (Exception ex)
{
    Exception originalException = ex;

    while (ex != null)
    {
        WebException wex = ex as WebException;

        if (wex != null)
        {
            Console.WriteLine(wex.GetType() + " : " + wex.Message);

            if (wex.Response != null)
            {
                using (var stream = wex.Response.GetResponseStream())
                {
                    using (var reader = new StreamReader(stream))
                    {
                        Console.WriteLine(reader.ReadToEnd());
                    }
                }
            }

            Console.WriteLine(wex.StackTrace);
            throw;
        }

        ContentstackException cex = ex as ContentstackException;

        if (cex != null)
        {
            Console.WriteLine(cex.GetType() + " : " + cex.Message);
            Console.WriteLine("Error code: " + cex.ErrorCode);
            Console.WriteLine("Error message: " + cex.ErrorMessage);
            Console.WriteLine("Status code: " + cex.StatusCode);

            foreach (string key in cex.Errors.Keys)
            {
                Console.WriteLine("Error : " + key + " : " + cex.Errors[key]);
            }

            Console.WriteLine(cex.StackTrace);
            throw;
        }

        ex = ex.InnerException;
    }

    Console.WriteLine(originalException.GetType() + " : " + originalException.Message);
    Console.WriteLine(originalException.StackTrace);
    throw;
}