TDataSet , .
, .
property CanModify: Boolean;
True . ,
procedure Edit;
procedure Post; virtual;
, Post .
Post
procedure Cancel; virtual;
procedure Append;
procedure Insert;
.
Append insert .
procedure Delete;
, .
procedure ClearFields;
, (NULL), .
, ,
property Modified: Boolean;
True, , .
- TDataSet , .
- ( ) :
- ;
- ;
- ;
- ;
- ;
- ;
- .
.
TIBQuery
InterBase Express , - TDataSet TiBCustomDataSet, , , InterBase Express.
TIBQuery . TIBQuery TiBCustomDataSet.
TIBQuery ( InterBase Express) TiBDatabase (. ).
property Database: TiBDatabase;
|
|
property Transaction: TIBTransaction;
,
property SQL: TStrings;
. , .
.
,
procedure Open;
property Active: Boolean;
True. .
procedure Close;
Active.
(, INSERT, DELETE, UPDATE),
procedure ExecSQL;
.
Open Active
, .
property Params: TParams;
TParams, . Params . Params , TParam, . ( Params )