FireDAC.Comp.Client.TFDConnection.OnError

From RAD Studio API Documentation
Jump to: navigation, search

Delphi

property OnError: TFDErrorEvent read FOnError write FOnError;

C++

__property OnError;

Properties

Type Visibility Source Unit Parent
event published
FireDAC.Comp.Client.pas
FireDAC.Comp.Client.hpp
FireDAC.Comp.Client TFDConnection

Description

Fires before FireDAC raises an exception inside of the commands, associated commands or dataset methods of the connection.

FireDAC.Comp.Client.TFDConnection.OnError inherits from FireDAC.Comp.Client.TFDCustomConnection.OnError. All content below this line refers to FireDAC.Comp.Client.TFDCustomConnection.OnError.

Fires before FireDAC raises an exception inside of the commands, associated commands or dataset methods of the connection.

The event handler of OnError receives the following parameters:

You can handle OnError to analyze and modify the exception object. You can even create a new exception object and assign it to AException; if you do so, you must free the original exception object.

See Also