GetDictionaryKey
(
String sTableName,
String sColumnName
)
{
Debug.Assert( !String.IsNullOrEmpty(sTableName) );
Debug.Assert( !String.IsNullOrEmpty(sColumnName) );
AssertValid();
// A tab can't occur in either a table or column name, so create the
// key by concatenating them with a tab.
return (sTableName + '\t' + sColumnName);
}