IDtProvider

Сборка: Dt;

Пространство имен: Prognoz.Platform.Interop.Dt;

Описание

Интерфейс IDtProvider содержит базовые свойства и методы для работы с источником данных.

Иерархия наследования

          IDtObject

          IDtProvider

Комментарии

Интерфейсы, являющиеся наследниками IDtProvider

Свойства и методы, использующие объекты, реализованные интерфейсами-наследниками IDtProvider

Примечание. Для корректной работы необходимо закрывать открытый источник данных с помощью метода IDtObject.Close.

Свойства

	Property name	Brief description
	AutoFillFieldsMode	The AutoFillFieldsMode property determines the field type detection mode of the data provider.
	CalcFieldsErrors	The CalcFieldsErrors property returns a collection of errors appeared on calculated fields calculation.
	Eof	The Eof property returns True if the cursor in the data source is on the last record.
	FetchErrors	The FetchErrors property returns errors occurred on data import.
	FilterIf	The FilterIf property returns condition of loading of records from data provider.
	StringDataFormat	The StringDataFormat property returns settings used on data identification.
	TypeGuessRows	The TypeGuessRows property determines number of rows by means of which the data type of each field will be determined.

Свойства, унаследованные от IDtObject

	Property name	Brief description
	Active	The Active property returns data source or data consumer state.
	Fields	The Fields property returns data provider/data consumer fields description.
	GetType	The GetType property returns data provider/data consumer type.
	Metabase	The Metabase property determines the repository, in which data is imported or exported.

Методы

	Method name	Brief description
	Fetch	The Fetch method reads data of the current entry from the data provider.
	FetchRows	The FetchRows method reads data of the specified number of entries from the data provider and returns the number of actually read entries.
	ReadingRowsCount	The ReadingRowsCount method returns the number of records read from the data source with taking into account loading condition.
	ReadingRowsTotalCount	The ReadingRowsTotalCount method returns the number of records read from the data source without taking into account loading condition.

Методы, унаследованные от IDtObject

	Method name	Brief description
	ClearFields	The ClearFields method clears fields list of the data provider or data consumer.
	Close	The Close method closes data provider or data consumer.
	FieldsFromFile	The FieldsFromFile method reads fields list from the source file.
	Load	The Load method loads data source or data consumer parameters from XML.
	Open	The Open method opens data provider or data consumer.
	Save	The Save method saves data source or data consumer parameters in XML format.

См. также:

Интерфейсы сборки Dt