Datasnap.DSSession.TDSSessionData.HasData
Delphi
function HasData(const AKey: string): Boolean; virtual; abstract;
C++
virtual bool __fastcall HasData(const System::UnicodeString AKey) = 0 ;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | Datasnap.DSSession.pas Datasnap.DSSession.hpp |
Datasnap.DSSession | TDSSessionData |
Description
- Note: This is an abstract method that child subclasses of TDSSessionData implement.
Determines if the session holds data for the given key.
The HasData method returns True if the session holds data for the session key AKey, False otherwise.
HasData is implemented in child classes: