///
/// <summary> Read the XML file into memory </summary>
///
public void ReadXml(XmlReader r, string fileNameWithourExtension)
{
//Skip the XML declaration
r.MoveToContent();
//Read the start tag of root element
r.ReadStartElement(_elementName);
r.MoveToContent();
Observation elmt = new Observation();
_datasource.Columns.Add(elmt.DateName, typeof(DateTime));
_datasource.Columns.Add(fileNameWithourExtension, typeof(double));
_datasource.PrimaryKey = new DataColumn[] { _datasource.Columns[elmt.DateName] };
while (r.NodeType == XmlNodeType.Element)
{
//Check if Observation has value. If yes, add it to the list.
if (elmt.ReadXML(r))
{
_datasource.Rows.Add(elmt.Date, elmt.Value);
//_observations.Add(elmt.Date, elmt.Value);
}
}
r.ReadEndElement();
}