DataRelation
public DataRelation(string relationName, DataColumn parentColumn, DataColumn childColumn, bool createConstraints)
public DataRelation(string relationName, DataColumn[] parentColumns, DataColumn[] childColumns, bool createConstraints)
public DataRelation(string relationName, string parentTableName, string childTableName, string[] parentColumnNames, string[] childColumnNames, bool nested)
public DataRelation(string relationName, string parentTableName, string parentTableNamespace, string childTableName, string childTableNamespace, string[] parentColumnNames, string[] childColumnNames, bool nested)