datatable的序列化和反序列化 webservice

/// 序列化DataTable
/// </summary>
/// <param name="pDt">包含数据的DataTable</param>
/// <returns>序列化的DataTable</returns>
public static string SerializeDataTableXml(DataTable pDt,string pdtname) {
// 序列化DataTable
pDt.TableName = pdtname;
StringBuilder sb = new StringBuilder();
XmlWriter writer = XmlWriter.Create(sb);
XmlSerializer serializer = new XmlSerializer(typeof(DataTable));
serializer.Serialize(writer, pDt);
writer.Close();
return sb.ToString();
}
/// <summary>
/// 反序列化DataTable
/// </summary>
/// <param name="pXml">序列化的DataTable</param>
/// <returns>DataTable</returns>
public static DataTable DeserializeDataTable(string pXml) {

StringReader strReader = new StringReader(pXml);
XmlReader xmlReader = XmlReader.Create(strReader);
XmlSerializer serializer = new XmlSerializer(typeof(DataTable));

DataTable dt = serializer.Deserialize(xmlReader) as DataTable;
return dt;
}