API:Data.DB.TBlobField.Clear

• Up to Parent: TBlobField

Delphi

procedure Clear; override;

C++

virtual void __fastcall Clear();

Properties

Type	Visibility	Source	Unit	Parent
procedure function	public	Data.DB.pas Data.DB.hpp	Data.DB	TBlobField

Description

Sets the value of the field to NULL.

Data.DB.TBlobField.Clear inherits from Data.DB.TField.Clear. All content below this line refers to Data.DB.TField.Clear.

Sets the value of the field to NULL.

Call the Clear method to give the field a blank value (a NULL value in SQL terms).

See Also

• IsNull

• Required