System.Xml.XmlTextReaderImpl.LookupNamespace C# (CSharp) Method

        public override String LookupNamespace(String prefix)
        {
            if (!_supportNamespaces)
            {
                return null;
            }

            return _namespaceManager.LookupNamespace(prefix);
        }

        public override string?LookupNamespace(string prefix)
        {
            string?ns = _impl.LookupNamespace(prefix);

            if (ns != null && ns.Length == 0)
            {
                ns = null;
            }
            return(ns);
        }