Data.DB.TDataSet Properties

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InheritedProtected
ActivepublicSpecifies whether or not a dataset is open.
ActiveRecordprotectedIndicates the index of the active record in the internal cache of records.
AggFieldspublicContains any aggregate fields.
AutoCalcFieldspublicDetermines when the OnCalcFields event is triggered and when lookup field values are calculated.
BlobFieldCountprotectedIndicates the number of columns in the dataset that represent Binary large object (BLOB) fields.
BlockReadSizepublicDetermines how many record buffers are read in each block.
BofpublicIndicates whether the first record in the dataset is active.
BookmarkpublicSpecifies the current bookmark in the dataset.
BookmarkSizeprotectedIndicates the number of bytes used to represent a bookmark.
BufferCountprotectedIndicates the number of records in the internal cache.
BuffersprotectedProvides indexed access to the record buffers in the internal cache.
CalcBufferprotectedPoints to the record buffer used during an OnCalcFields event.
CalcFieldsSizeprotectedIndicates the number of bytes in a record buffer dedicated to storing calculated fields and lookup fields.
CanModifypublicIndicates whether the dataset permits write access to data.
CanRefreshpublic
ComObjectpublicSpecifies the interface reference implemented by the component.
ComponentCountpublicIndicates the number of components owned by the component.
ComponentIndexpublicIndicates the position of the component in its owner's Components property array.
ComponentspublicLists all components owned by the component.
ComponentStatepublicDescribes the current state of the component, indicating when a component needs to avoid certain actions.
ComponentStylepublicGoverns the behavior of the component.
ConstraintsprotectedSpecifies record-level constraints that must be met when editing the data.
CurrentRecordprotectedIndicates the index of the current record in the internal cache of record buffers.
DataSetFieldpublicIndicates the persistent TDataSetField object that owns a nested dataset.
DataSourcepublicRepresents the data source of another dataset that supplies values to the dataset.
DesignerpublicReturns a pointer to the DataSet designer for the dataset.
DesignInfopublicContains information used by the Form designer.
DisposedprotectedDisposed is a read-only property that shows the current state of this object.
EofpublicIndicates whether a dataset is positioned at the last record.
FieldCountpublicIndicates the number of field components associated with the dataset.
FieldDefListpublicPoints to the list of field definitions for the dataset.
FieldDefspublicPoints to the list of field definitions for the dataset.
FieldListpublicLists the field components of a dataset.
FieldNoOfsprotectedSpecifies the offset needed to convert indexes in the Fields property to field numbers.
FieldOptionsprotectedSpecifies the options of the dataset fields.
FieldspublicLists all non-aggregate field components of the dataset.
FieldValuespublicProvides access to the values for all fields in the active record for the dataset.
FilterpublicSpecifies the text of the current filter for a dataset.
FilteredpublicSpecifies whether or not filtering is active for a dataset.
FilterOptionspublicSpecifies whether or not filtering is case insensitive, and whether or not partial comparisons are permitted when filtering records.
FoundpublicIndicates whether or not moving to a different record is successful.
InternalCalcFieldsprotectedIndicates whether the dataset includes internally calculated fields.
IsUniDirectionalpublicIndicates whether the dataset is unidirectional.
ModifiedpublicIndicates whether the active record is modified.
NamepublishedSpecifies the name of the component as referenced in code.
NestedDataSetClassprotectedIndicates the class type to use when creating nested datasets.
NestedDataSetsprotectedLists all nested datasets.
ObjectViewpublicSpecifies whether fields are stored hierarchically or flattened out in the Fields property.
ObserverspublicIndicates the TObservers object added to the TComponent.
OwnerpublicIndicates the component that is responsible for streaming and freeing this component.
RecNopublicIndicates the active record number in the dataset.
RecordCountpublicIndicates the total number of records associated with the dataset.
RecordSizepublicIndicates the size of a record in the dataset.
SparseArrayspublicDetermines whether a unique TField object is created for each element of an array field.
StatepublicIndicates the current operating mode of the dataset.
TagpublishedStores a NativeInt integral value as a part of a component.
VCLComObjectpublicRepresents information used internally by components that support COM.