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ADO Enumerated Constants

ADO Enumerated Constants

 

To assist in debugging, the ADO enumerations list a value for each constant. However, this value is purely advisory, and may change from one release of ADO to another. Your code should only depend on the name, not the actual value, of each enumerated constant.

               ADCPROP_ASYNCTHREADPRIORITY_ENUM             

For an RDS Recordset object, specifies the execution priority of the asynchronous thread that retrieves data.

               ADCPROP_AUTORECALC_ENUM             

Specifies when the MSDataShape provider re-calculates aggregate and calculated columns in a hierarchical Recordset.

               ADCPROP_UPDATECRITERIA_ENUM             

Specifies which fields can be used to detect conflicts during an optimistic update of a row of the data source with a Recordset object.

               ADCPROP_UPDATERESYNC_ENUM             

Specifies whether the UpdateBatch method is followed by an implicit Resync method operation and if so, the scope of that operation.

               AffectEnum             

Specifies which records are affected by an operation.

               BookmarkEnum             

Specifies a bookmark that indicates where the operation should begin.

               CommandTypeEnum             

Specifies how a command argument should be interpreted.

               CompareEnum             

Specifies the relative position of two records represented by their bookmarks.

               ConnectModeEnum             

Specifies the available permissions for modifying data in a Connection, opening a Record, or specifying values for the Mode property of the Record and Stream objects.

               ConnectOptionEnum             

Specifies whether the Open method of a Connection object should return after (synchronously) or before (asynchronously) the connection is established.

               ConnectPromptEnum             

Specifies whether a dialog box should be displayed to prompt for missing parameters when opening a connection to an ODBC data source.

               CopyRecordOptionsEnum             

Specifies the behavior of the CopyRecord method.

               CursorLocationEnum             

Specifies the location of the cursor engine.

               CursorOptionEnum             

Specifies what functionality the Supports method should test for.

               CursorTypeEnum             

Specifies the type of cursor used in a Recordset object.

               DataTypeEnum             

Specifies the data type of a Field, Parameter, or Property.

               EditModeEnum             

Specifies the editing status of a record.

               ErrorValueEnum             

Specifies the type of ADO run-time error.

               EventReasonEnum             

Specifies the reason that caused an event to occur.

               EventStatusEnum             

Specifies the current status of the execution of an event.

               ExecuteOptionEnum             

Specifies how a provider should execute a command.

               FieldEnum             

Specifies the special fields referenced in the Fields collection of a Record object.

               FieldAttributeEnum             

Specifies one or more attributes of a Field object.

               FieldStatusEnum             

Specifies the status of a Field object.

               FilterGroupEnum             

Specifies the group of records to be filtered from a Recordset.

               GetRowsOptionEnum             

Specifies how many records to retrieve from a Recordset.

               IsolationLevelEnum             

Specifies the level of transaction isolation for a Connection object.

               LineSeparatorsEnum             

Specifies the character used as a line separator in text Stream objects.

               LockTypeEnum             

Specifies the type of lock placed on records during editing.

               MarshalOptionsEnum             

Specifies which records should be returned to the server.

               MoveRecordOptionsEnum             

Specifies the behavior of the Record object MoveRecord method.

               ObjectStateEnum             

Specifies whether an object is open or closed, connecting to a data source, executing a command, or fetching data.

               ParameterAttributesEnum             

Specifies the attributes of a Parameter object.

               ParameterDirectionEnum             

Specifies whether the Parameter represents an input parameter, an output parameter, or both, or if the parameter is the return value from a stored procedure.

               PersistFormatEnum             

Specifies the format in which to save a Recordset.

               PositionEnum             

Specifies the current position of the record pointer within a Recordset.

               PropertyAttributesEnum             

Specifies the attributes of a Property object.

               RecordCreateOptionsEnum             

Specifies for the Record object Open method whether an existing Record should be opened, or a new Record should be created.

               RecordOpenOptionsEnum             

Specifies options for opening a Record. These values may be combined by using an OR operator.

               RecordStatusEnum             

Specifies the status of a record with regard to batch updates and other bulk operations.

               RecordTypeEnum             

Specifies the type of Record object.

               ResyncEnum             

Specifies whether underlying values are overwritten by a call to Resync.

               SaveOptionsEnum             

Specifies whether a file should be created or overwritten when saving from a Stream object. The values can be combined with an AND operator.

               SchemaEnum             

Specifies the type of schema Recordset that the OpenSchema method retrieves. Specifies the direction of a record search within a Recordset.

               SearchDirectionEnum             

Specifies the direction of a record search within a Recordset. Specifies the type of Seek to execute.

               SeekEnum             

Specifies the type of Seek to execute. Specifies options for opening a Stream object. The values can be combined with an AND operator.

               StreamOpenOptionsEnum             

Specifies options for opening a Stream object. The values can be combined with an AND operator. Specifies whether the whole stream or the next line should be read from a Stream object.

               StreamReadEnum             

Specifies whether the whole stream or the next line should be read from a Stream object. Specifies the type of data stored in a Stream object.

               StreamTypeEnum             

Specifies the type of data stored in a Stream object. Specifies whether a line separator is appended to the string written to a Stream object.

               StreamWriteEnum             

Specifies whether a line separator is appended to the string written to a Stream object. Specifies the format when retrieving a Recordset as a string.

               StringFormatEnum             

Specifies the format when retrieving a Recordset as a string. Specifies the transaction attributes of a Connection object.

               XactAttributeEnum             

Specifies the transaction attributes of a Connection object.

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