public static XmlDocument Json2Xml(string sJson)

{

//XmlDictionaryReader reader = JsonReaderWriterFactory.CreateJsonReader(Encoding.UTF8.GetBytes(sJson), XmlDictionaryReaderQuotas.Max);

//XmlDocument doc = new XmlDocument();

//doc.Load(reader);

JavaScriptSerializer oSerializer = new JavaScriptSerializer();

Dictionary<string, object> Dic = (Dictionary<string, object>)oSerializer.DeserializeObject(sJson);

XmlDocument doc = new XmlDocument();

XmlDeclaration xmlDec;

xmlDec = doc.CreateXmlDeclaration("1.0", "gb2312", "yes");

doc.InsertBefore(xmlDec, doc.DocumentElement);

XmlElement nRoot = doc.CreateElement("root");

doc.AppendChild(nRoot);

foreach (KeyValuePair<string, object> item in Dic)

{

XmlElement element = doc.CreateElement(item.Key);

KeyValue2Xml(element, item);

nRoot.AppendChild(element);

}

return doc;

}

private static void KeyValue2Xml(XmlElement node, KeyValuePair<string, object> Source)

{

object kValue = Source.Value;

if (kValue.GetType() == typeof(Dictionary<string, object>))

{

foreach (KeyValuePair<string, object> item in kValue as Dictionary<string, object>)

{

XmlElement element = node.OwnerDocument.CreateElement(item.Key);

KeyValue2Xml(element, item);

node.AppendChild(element);

}

}

else if (kValue.GetType() == typeof(object[]))

{

object[] o = kValue as object[];

for (int i = 0; i < o.Length; i++)

{

XmlElement xitem = node.OwnerDocument.CreateElement("Item");

KeyValuePair<string, object> item = new KeyValuePair<string, object>("Item", o[i]);

KeyValue2Xml(xitem, item);

node.AppendChild(xitem);

}

}

else

{

XmlText text = node.OwnerDocument.CreateTextNode(kValue.ToString());

node.AppendChild(text);

}

}