public void SimpleLoad ()
{
string xml001 = "<root/>";
XmlDataDocument doc = new XmlDataDocument ();
DataSet ds = new DataSet ();
ds.InferXmlSchema (new StringReader (xml001), null);
doc.LoadXml (xml001);
string xml002 = "<root><child/></root>";
doc = new XmlDataDocument ();
ds = new DataSet ();
ds.InferXmlSchema (new StringReader (xml002), null);
doc.LoadXml (xml002);
string xml003 = "<root><col1>test</col1><col1></col1></root>";
doc = new XmlDataDocument ();
ds = new DataSet ();
ds.InferXmlSchema (new StringReader (xml003), null);
doc.LoadXml (xml003);
string xml004 = "<set><tab1><col1>test</col1><col1>test2</col1></tab1><tab2><col2>test3</col2><col2>test4</col2></tab2></set>";
doc = new XmlDataDocument ();
ds = new DataSet ();
ds.InferXmlSchema (new StringReader (xml004), null);
doc.LoadXml (xml004);
}