System.Data.XSDSchema.GetPrefix C# (CSharp) Method

        private string GetPrefix(string ns)
        {
            if (ns == null)
                return null;
            foreach (XmlSchema schemaRoot in _schemaSet.Schemas())
            {
                XmlQualifiedName[] qualifiedNames = schemaRoot.Namespaces.ToArray();
                for (int i = 0; i < qualifiedNames.Length; i++)
                {
                    if (qualifiedNames[i].Namespace == ns)
                        return qualifiedNames[i].Name;
                }
            }
            return null;
        }