C# extension to dump the entire stack trace and hierarchy of an exception

ExceptionFormatterExtension.cs

public static class ExceptionFormatterExtension
{
    public static string GetDump(this Exception e)
    {
        var exceptions = new Stack<Exception>();
        while (e != null)
        {
            exceptions.Push(e);
            e = e.InnerException;
        }

        StringBuilder sb = new StringBuilder();
        while (exceptions.Count > 0)
        {
            e = exceptions.Pop();
            sb.AppendLine(e.GetType().Name + ": " + e.Message);
            sb.AppendLine(e.StackTrace);
            sb.AppendLine();
        }

        return sb.ToString().Trim();
    }
}