Asp.Net Web Service for Different Platforms

When coding a Webservice to provide data, the normal way is to create a method that returns a Dataset object.   But a Dataset cannot be used easily from another platform, such as PHP,  FLAS (FLEX) , etc.

Solution :
Return a XML Document instead  of Dataset .

Coding  like :

[WebMethod]
                      public XmlDocument MydataProvided()
                      {
                         Dataset DS = new DataSet ()
                         // here you should write some login to fill  the dataset
                         return GetDSXml(DS);
                      }
                      
                      public XmlDocument GetDSXml(Dataset  ds)
                      {
                         System.IO.StringWriter sw = new System.IO.StringWriter();
                         ds.WriteXml(sw);
                         sw.Close();
                         XmlDocument xd = new XmlDocument
                         xd.LoadXml(sw.ToString());
                         return xd;
                      }

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Also, by adding the following method a DataTable can be returned easily.

public XmlDocument GetDtXml(DataTable  dt)
                      {
                         System.IO.StringWriter sw = new System.IO.StringWriter();
                         dt.WriteXml(sw);
                         sw.Close();
                         XmlDocument xd = new XmlDocument
                         xd.LoadXml(sw.ToString());
                         return xd;
                      }

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