IDatasetInstance

Description

The IDatasetInstance interface contains properties and methods used to access data of data sources.

Comments

The interface allows to operate with data of any relational source of repository data source.

Relational data sources are:

• Table (external table).

• Query.

• View.

• ODBC data source.

• Log.

• Table MDM dictionary.

• Composite table MDM dictionary.

To get data, open the repository object using the IMetabaseObjectDescriptor.Open or IMetabaseObjectDescriptor.OpenWithParam methods and cast it to the IDatasetInstance interface.

NOTE. On casting a table MDM dictionary or composite table MDM dictionary to IDatasetInstance, multiple attributes are not supported.

Properties

	Property name	Brief description
	Dataset	The Dataset property returns a structure of data source.
	FieldDefs	The FieldDefs property returns structure of all data source fields.
	Fields	The Fields property returns collection of fields values of current data source record.

Methods

	Method name	Brief description
	Close	The Close method closes data source.
	CreateBatchUpdate	The CreateBatchUpdate method creates updates of the data source data.
	Eof	The Eof method returns True if cursor is on the last record in data source, or if data source has no records.
	Execute	This method is not supported.
	First	The First method moves to the first record of data source.
	Next	The Next method moves to the next record in the data source.
	OpenCached	The OpenCached method allows for working with cache of data source.

See also:

Db Assembly Interfaces