MyDAC

TCustomMyDataSet Methods

Methods of the TCustomMyDataSet class.

For a complete list of the TCustomMyDataSet class members, see the TCustomMyDataSet Members topic.

Public

Name Description

AddWhere (inherited from TCustomDADataSet)

Adds condition to the WHERE clause of SELECT statement in the SQL property.

ApplyRange (inherited from TMemDataSet)

Applies a range to the dataset.

ApplyUpdates (inherited from TMemDataSet)

Overloaded. Writes dataset's pending cached updates to a database.

BreakExec (inherited from TCustomDADataSet)

Breaks execution of the SQL statement on the server.

CancelRange (inherited from TMemDataSet)

Removes any ranges currently in effect for a dataset.

CancelUpdates (inherited from TMemDataSet)

Clears all pending cached updates from cache and restores dataset in its prior state.

CommitUpdates (inherited from TMemDataSet)

Clears the cached updates buffer.

CreateBlobStream (inherited from TCustomDADataSet)

Used to obtain a stream for reading data from or writing data to a BLOB field, specified by the Field parameter.

DeferredPost (inherited from TMemDataSet)

Makes permanent changes to the database server.

DeleteWhere (inherited from TCustomDADataSet)

Removes WHERE clause from the SQL property and assigns the BaseSQL property.

EditRangeEnd (inherited from TMemDataSet)

Enables changing the ending value for an existing range.

EditRangeStart (inherited from TMemDataSet)

Enables changing the starting value for an existing range.

Execute (inherited from TCustomDADataSet)

Overloaded. Executes a SQL statement on the server.

Executing (inherited from TCustomDADataSet)

Indicates whether SQL statement is still being executed.

Fetched (inherited from TCustomDADataSet)

Used to learn whether TCustomDADataSet has already fetched all rows.

Fetching (inherited from TCustomDADataSet)

Used to learn whether TCustomDADataSet is still fetching rows.

FetchingAll (inherited from TCustomDADataSet)

Used to learn whether TCustomDADataSet is fetching all rows to the end.

FindKey (inherited from TCustomDADataSet)

Searches for a record which contains specified field values.

FindMacro (inherited from TCustomDADataSet)

Description is not available at the moment.

FindNearest (inherited from TCustomDADataSet)

Moves the cursor to a specific record or to the first record in the dataset that matches or is greater than the values specified in the KeyValues parameter.

FindParam (inherited from TCustomDADataSet)

Determines if a parameter with the specified name exists in a dataset.

GetBlob (inherited from TMemDataSet)

Overloaded. Retrieves TBlob object for a field or current record when only its name or the field itself is known.

GetDataType (inherited from TCustomDADataSet)

Returns internal field types defined in the MemData and accompanying modules.

GetFieldEnum

Retrieve the list of acceptable values for a specified field given by the FieldName parameter.

GetFieldObject (inherited from TCustomDADataSet)

Returns a multireference shared object from field.

GetFieldPrecision (inherited from TCustomDADataSet)

Retrieves the precision of a number field.

GetFieldScale (inherited from TCustomDADataSet)

Retrieves the scale of a number field.

GetKeyFieldNames (inherited from TCustomDADataSet)

Provides a list of available key field names.

GetOrderBy (inherited from TCustomDADataSet)

Retrieves an ORDER BY clause from a SQL statement.

GotoCurrent (inherited from TCustomDADataSet)

Sets the current record in this dataset similar to the current record in another dataset.

Locate (inherited from TMemDataSet)

Overloaded. Searches a dataset for a specific record and positions the cursor on it.

LocateEx (inherited from TMemDataSet)

Overloaded. Excludes features that don't need to be included to the TMemDataSet.Locate method of TDataSet.

Lock

Overloaded. Locks the current record for the current connection.

LockTable

Locks table for the current connection.

MacroByName (inherited from TCustomDADataSet)

Finds a Macro with the name passed in Name.

OpenNext

Opens next rowset in the statement.

ParamByName (inherited from TCustomDADataSet)

Sets or uses parameter information for a specific parameter based on its name.

Prepare (inherited from TCustomDADataSet)

Allocates, opens, and parses cursor for a query.

RefreshQuick

Retrieves changes posted to the server by another clients on the client side quickly.

RefreshRecord (inherited from TCustomDADataSet)

Actualizes field values for the current record.

RestoreSQL (inherited from TCustomDADataSet)

Restores the SQL property modified by AddWhere and SetOrderBy.

RestoreUpdates (inherited from TMemDataSet)

Marks all records in the cache of updates as unapplied.

RevertRecord (inherited from TMemDataSet)

Cancels changes made to the current record when cached updates are enabled.

SaveSQL (inherited from TCustomDADataSet)

Saves the SQL property value to BaseSQL.

SaveToXML (inherited from TMemDataSet)

Overloaded. Saves the current dataset data to a file or a stream in the XML format compatible with ADO format.

SetOrderBy (inherited from TCustomDADataSet)

Builds an ORDER BY clause of a SELECT statement.

SetRange (inherited from TMemDataSet)

Sets the starting and ending values of a range, and applies it.

SetRangeEnd (inherited from TMemDataSet)

Indicates that subsequent assignments to field values specify the end of the range of rows to include in the dataset.

SetRangeStart (inherited from TMemDataSet)

Indicates that subsequent assignments to field values specify the start of the range of rows to include in the dataset.

SQLSaved (inherited from TCustomDADataSet)

Determines if the SQL property value was saved to the BaseSQL property.

UnLock (inherited from TCustomDADataSet)

Releases a record lock.

UnLockTable

Releases a table locked by the TCustomMyDataSet.LockTable method.

UnPrepare (inherited from TMemDataSet)

Frees the resources allocated for a previously prepared query on the server and client sides.

UpdateResult (inherited from TMemDataSet)

Reads the status of the latest call to the ApplyUpdates method while cached updates are enabled.

UpdateStatus (inherited from TMemDataSet)

Indicates the current update status for the dataset when cached updates are enabled.

See Also

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