API:Data.DB.TReferenceField
Delphi
TReferenceField = class(TDataSetField)
C++
class PASCALIMPLEMENTATION TReferenceField : public TDataSetField
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| class | public | Data.DB.pas Data.DB.hpp |
Data.DB | Data.DB |
Description
TDataSetField provides access to nested datasets.
Data.DB.TReferenceField inherits from Data.DB.TDataSetField. All content below this line refers to Data.DB.TDataSetField.
TDataSetField provides access to nested datasets.
TDataSetField represents a nested dataset field in a database. This nested dataset can result from an object relational database (such as the nested datasets in Oracle 8 databases) or from a provider that packages data for the master table of a master/detail relationship.
TDataSetField introduces a new property NestedDataSet for referencing nested datasets. It also introduces the Fields property for accessing the fields in the nested dataset. When assigning data to a dataset field, use the DataSetField property of a dataset component that is assigned as the value of the dataset field.