NFileDataSource Class Fields

	Name	Description
	ColumnNamesProperty	Reference to the ColumnNames property
	FileProperty	Reference to the File property.
	FirstRowHasColumnNamesProperty	Reference to the FirstRowHasColumnNames property.
	NUriDataSourceSchema	Schema associated with NUriDataSource

	Name	Description
	m_ColumnNames	The column names to import.
	m_File	The file associated with this data source.
	m_FirstRowHasColumnNames	Indicates whether the first row has column names.