TMSDataSetOptions Members

TMSDataSetOptions class overview.


Name Description


Not supported.


Used to execute automatic TCustomDADataSet.Prepare on a query execution.


Used to enable automatic refresh of a dataset every AutoRefreshInterval seconds.


Used to define in what time interval in seconds the Refresh or TCustomMSDataSet.RefreshQuick method of DataSet is called.

CacheCalcFields (inherited from TDADataSetOptions)

Used to enable caching of the TField.Calculated and TField.Lookup fields.


Used to determine whether dataset checks for rows modifications made by another user on automatic generation of SQL statement for update or delete data.

CompressBlobMode (inherited from TDADataSetOptions)

Used to store values of the BLOB fields in compressed form.


Used to specify the way data updates reflect on database when modifying dataset by using server cursors ctKeySet and ctDynamic.


Used to enable TCustomMSDataSet to fill the DefaultExpression property of TField objects by an appropriate value.


Used to specify whether to query TMSParam properties from the server when executing the TCustomDADataSet.Prepare method.

DetailDelay (inherited from TDADataSetOptions)

Used to get or set a delay in milliseconds before refreshing detail dataset while navigating master dataset.


Used to forbid multiple results usage by a command.


Used to refresh a record when insertion or update is performed.


Used to specify whether to treat numeric fields as floating-point or BCD.

FieldsOrigin (inherited from TDADataSetOptions)

Used for TCustomDADataSet to fill the Origin property of the TField objects by appropriate value when opening a dataset.

FlatBuffers (inherited from TDADataSetOptions)

Used to control how a dataset treats data of the ftString and ftVarBytes fields.


Used to specify the fields to include in the automatically generated SQL statement when calling the TCustomDADataSet.RefreshRecord method.


Used to hide system fields for the prSQL, prNativeClient and prMSOLEDB providers. The default value is True.

InsertAllSetFields (inherited from TDADataSetOptions)

Used to include all set dataset fields in the generated INSERT statement


Determines which system function to use to obtain an identifier when adding a record. The default value is vfScopeIdentity.

LocalMasterDetail (inherited from TDADataSetOptions)

Used for TCustomDADataSet to use local filtering to establish master/detail relationship for detail dataset and does not refer to the server.


Represents string fields with the length that is greater than 255 as TStringField.

MasterFieldsNullable (inherited from TDADataSetOptions)

Allows to use NULL values in the fields by which the relation is built, when generating the query for the Detail tables (when this option is enabled, the performance can get worse).


Used to fetch rows in a separate thread.


Used to set the MaxValue and MinValue properties of TIntegerField and TFloatField to appropriate values.


Used to automatically prepare update queries before execution.


Used to specify whether to request the Identity field value on execution of the Insert or Append method.


Used to perform additional query to get record count for this SELECT, so the RecordCount property reflects the actual number of records.


Used for TCustomMSDataSet to quote all field names in autogenerated SQL statements.


Indicates whether DataSet will be automatically refreshed when the underlying data on the server is changed.


Used for dataset to locally remove record on refresh if it does not match filter condition (WHERE clause for refresh SQL) anymore.


Used for TCustomMSDataSet to set the Required property of TField objects for the NOT NULL fields.


Used to return the new values of fields to dataset after insert or update.


Force replace of empty strings with NULL values in data. Default value is False.

SetFieldsReadOnly (inherited from TDADataSetOptions)

Used for a dataset to set the ReadOnly property to True for all fields that do not belong to UpdatingTable or can not be updated.


Used for TCustomDADataSet to raise an exception when the number of updated or deleted records is not equal 1.


Used to specify whether to discard all trailing spaces in the fixed-length string fields of a dataset.


Used to specify whether to discard all trailing spaces in the variable-length string fields of a dataset.


Used to specify whether to query additional keyfields from the server.

UpdateAllFields (inherited from TDADataSetOptions)

Used to include all dataset fields in the generated UPDATE and INSERT statements.

UpdateBatchSize (inherited from TDADataSetOptions)

Used to get or set a value that enables or disables batch processing support, and specifies the number of commands that can be executed in a batch.
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