Data.DB.TField.GetIsNull

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[–] Properties Type: function Visibility: protected Source:

Data.DB.pas

Data.DB.hpp

Unit: Data.DB Parent: TField

Delphi

function GetIsNull: Boolean; virtual;

C++

virtual bool __fastcall GetIsNull();

Description

Returns whether the field has data or not.

The GetIsNull method returns whether the field has data or not. If the field has no data, GetIsNull returns True. Otherwise, GetIsNull returns False.

See Also

• GetData

Code Examples

• TFieldGetData (Delphi)
• TFieldGetData (C++)