Datasnap.Provider.TDataSetProvider Methods

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InheritedProtected

_AddRef	protected	Called when an application uses a component interface.
_Release	protected	Called when an application releases a component interface.
AfterConstruction	public	Responds after the last constructor has executed.
ApplyUpdates	public	Applies updates received as a delta packet.
Assign	public	Copies the contents of another similar object.
AssignTo	protected	Copies the properties of an object to a destination object.
AsyncSchedule	protected	Schedules asynch method calls.
BeforeDestruction	public	Performs any necessary actions before the first destructor is called.
BeginInvoke	public	Performs an asynchronous call to the method specified by either AProc or AFunc.
CanObserve	protected
ChangeName	protected	Sets the private, internal storage for the Name property to the string passed in NewName.
CheckDataSet	protected	Verifies whether the dataset is assigned.
CheckDisposed	protected
CheckResolver	protected	Instantiates a resolver for the Resolver property if it does not already exist.
ClassInfo	public	Returns a pointer to the run-time type information (RTTI) table for the object type.
ClassName	public	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIs	public	Determines whether an object is of a specific type.
ClassParent	public	Returns the type of the immediate ancestor of a class.
ClassType	public	Returns the class reference for the object's class.
CleanupInstance	public	Performs finalization on long strings, variants, and interface variables within a class.
Create	public	Creates and initializes a TDataSetProvider object.
CreateDataPacket	protected	Generates a data packet for the data associated with the provider.
CreateResolver	protected	Creates a resolver component for handling the application of updates.
DataRequest	public	Generates an OnDataRequest event.
DefaultHandler	public	Provides the interface for a method that processes message records.
DefineProperties	protected	Designates methods for storing an object's unpublished data on a stream such as a form file.
Destroy	public	Frees an instance of a dataset provider.
DestroyComponents	public	Destroys all owned components.
Destroying	public	Indicates that the component and its owned components are about to be destroyed.
Dispatch	public	Calls message-handling methods for the object, based on the contents of the Message parameter.
DisposeOf	public	DisposeOf forces the execution of the destructor code in an object.
DoAfterApplyUpdates	protected	Generates an AfterApplyUpdates event.
DoAfterExecute	protected	Generates an AfterExecute event.
DoAfterGetParams	protected	Generates an AfterGetParams event.
DoAfterGetRecords	protected	Generates an AfterGetRecords event.
DoAfterRowRequest	protected	Generates an AfterRowRequest event.
DoAfterUpdateRecord	protected	Generates an AfterUpdateRecord event.
DoApplyUpdates	protected
DoBeforeApplyUpdates	protected	Generates a BeforeApplyUpdates event.
DoBeforeCommit	protected
DoBeforeExecute	protected	Generates a BeforeExecute event.
DoBeforeGetParams	protected	Generates a BeforeGetParams event.
DoBeforeGetRecords	protected	Generates a BeforeGetRecords event.
DoBeforeRowRequest	protected	Generates a BeforeRowRequest event.
DoBeforeUpdateRecord	protected
DoGetProviderAttributes	protected	Fills a list with information about the dataset that can be used when providing or resolving.
DoGetRecords	protected
DoGetTableName	protected	Generates an OnGetTableName event.
DoOnGetData	protected	Generates an OnGetData event.
DoOnUpdateData	protected	Generates an OnUpdateData event.
EndFunctionInvoke	public	Blocks the caller until the specified ASyncResult completes.
EndInvoke	public	Blocks the caller until the specified ASyncResult completes.
Equals	public	Checks whether the current instance and the Obj parameter are equal.
Execute	public	Executes a query, stored procedure, or custom SQL statement.
ExecuteAction	public	Executes an action.
FetchDetails	protected	Fills a delta dataset with all nested dataset field values.
FieldAddress	public	Returns the address of a published object field.
FindComponent	public	Indicates whether a given component is owned by the component.
FindRecord	protected	Finds a data record.
Free	public	Destroys an object and frees its associated memory, if necessary.
FreeInstance	public	Deallocates memory allocated by a previous call to the NewInstance method.
FreeNotification	public	Ensures that AComponent is notified that the component is going to be destroyed.
FreeOnRelease	public	Frees the interface reference for components that were created from COM classes.
FreeResolver	protected	Frees the resolver specified by the Resolver property.
GetChildOwner	protected	Returns the owner of a child component being read from a stream.
GetChildParent	protected	Returns the parent or, if there is no parent, returns the owner of a child component being read from a stream.
GetChildren	protected	Enumerates all child components.
GetDataSetFromDelta	protected	Returns a dataset positioned on the record of the source dataset that is currently being fetched or updated.
GetDeltaStreams	protected
GetDisposed	protected	Getter for the Disposed property.
GetEnumerator	public	Returns a TComponent enumerator.
GetHashCode	public	Returns an integer containing the hash code.
GetIDsOfNames	protected	Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs).
GetInterface	public	Retrieves a specified interface.
GetInterfaceEntry	public	Returns the entry for a specific interface implemented in a class.
GetInterfaceTable	public	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
GetNamePath	public	Returns a string used by the Object Inspector.
GetObservers	protected	Getter of Observers.
GetOwner	protected	Returns the owner of a component.
GetParams	public	Returns the current parameter values.
GetParentComponent	public	Returns the containing component.
GetRecords	public	Retrieves a data packet that represents the provider's associated data.
GetTypeInfo	protected	Retrieves the type information for an object.
GetTypeInfoCount	protected	Returns the number of type information interfaces that an object provides (either 0 or 1).
HasParent	public	Verifies whether the component has a parent.
InheritsFrom	public	Determines the relationship of two object types.
InitInstance	public	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
InsertComponent	public	Establishes the component as the owner of a specified component.
InstanceSize	public	Returns the size in bytes of each instance of the object type.
InternalApplyUpdates	protected	Provides the underlying implementation of the ApplyUpdates method.
InternalExecute	protected	Provides the underlying implementation of the Execute method.
InternalGetParams	protected	Returns the requested parameter values as a Variant array.
InternalGetRecords	protected	Provides the underlying implementation of the GetRecords method.
InternalRowRequest	protected	Provides the underlying implementation of the RowRequest method.
Invoke	protected	Provides access to Automation properties and methods when the component wraps an Automation object.
IsImplementorOf	public	Indicates whether the component implements a specified interface.
Loaded	protected	Initializes the component after the form file has been read into memory.
LocateRecord	protected	Positions a dataset on the record that corresponds to the current update in a specified delta packet.
MethodAddress	public	Returns the address of a class method by name.
MethodName	public	Returns the name of a class method by address.
NewInstance	public	Allocates memory for an instance of an object type and returns a pointer to that new instance.
Notification	protected	Responds to notifications that objects are being created or destroyed.
ObserverAdded	protected
operator ()	public	C++ conversion of a TComponent into a System.Classes.IInterfaceComponentReference or a System.IInterface, depending on casting.
PaletteCreated	protected	Responds when the component is created from the component palette.
QualifiedClassName	public	Returns the qualified name of the class.
QueryInterface	protected	Returns a reference to a specified interface if the current component supports that interface.
ReadState	protected	Reads the state of the component.
ReferenceInterface	public	Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
RemoveComponent	public	Removes a specified component specified from the component's Components list.
RemoveFreeNotification	public	Disables the destruction notification that was enabled by FreeNotification.
RemoveFreeNotifications	protected	Notifies all owned components of the owner component's imminent destruction.
Reset	protected	Resets and closes the dataset.
RowRequest	public	Returns information from a specified record.
SafeCallException	public	Handles exceptions in methods declared using the safecall calling convention.
SetActiveUpdateException	protected
SetAncestor	protected	Clears or sets csAncestor state in the component's ComponentState property.
SetChildOrder	protected	Sets the visual ordering of a child control.
SetCommandText	protected	Provides a way to set the command text.
SetDesigning	protected	Ensures that components inserted at design time have their design-mode flag set.
SetDesignInstance	protected	Ensures that components inserted at design time have their design-mode flag set.
SetInline	protected	Sets the csInline bit of the component's ComponentState property.
SetName	protected	Sets the value of the Name property.
SetParams	protected	Provides a way to set the dataset provider's parameters.
SetParentComponent	protected	Sets the parent component.
SetSubComponent	public	Identifies whether the component is a subcomponent.
ToString	public	Returns a string containing the class name.
UnitName	public	Returns the name of the unit where the class is defined.
UnitScope	public	Returns the class's unit scope.
UpdateAction	public	Updates the state of an action.
Updated	protected	Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
UpdateRecord	protected	Retrieves specified data from a source dataset into a delta packet.
UpdateRegistry	protected	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
Updating	protected	Sets the csUpdating state in the component's ComponentState property.
ValidateContainer	protected	Determines whether an object can be inserted into a container.
ValidateInsert	protected	Provides the interface for a method that validates a child component before it is inserted.
ValidateRename	protected	Ensures that renaming an owned component does not create a name conflict.
WriteState	protected	Writes the state of the component.