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Data.DB.TField.IsNull

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Delphi

property IsNull: Boolean read GetIsNull;

C++

__property bool IsNull = {read=GetIsNull, nodefault};

Properties

Type Visibility Source Unit Parent
property public
Data.DB.pas
Data.DB.hpp
Data.DB TField

Description

Indicates whether the field has a value assigned to it.

Inspect IsNull to ascertain whether the field contains a value. If IsNull is true, the field is blank. If IsNull is false, the field has a value.

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