/// <summary>
/// Initializes a new instance of the DataTable class with no arguments.
/// </summary>
public DataTable ()
{
dataSet = null;
_columnCollection = new DataColumnCollection(this);
_constraintCollection = new ConstraintCollection(this);
_extendedProperties = new PropertyCollection();
_tableName = "";
_nameSpace = null;
_caseSensitive = false; //default value
_displayExpression = null;
_primaryKeyConstraint = null;
_site = null;
_rows = new DataRowCollection (this);
_indexes = new ArrayList();
_recordCache = new RecordCache(this);
//LAMESPEC: spec says 25 impl does 50
_minimumCapacity = 50;
_childRelations = new DataRelationCollection.DataTableRelationCollection (this);
_parentRelations = new DataRelationCollection.DataTableRelationCollection (this);
}