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Data.DBXCommon.TDBXWideStringValue.IsNull
From XE2 API Documentation
Delphi
function IsNull: Boolean; override;
C++
virtual bool __fastcall IsNull(void);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | Data.DBXCommon.pas Data.DBXCommon.hpp |
Data.DBXCommon | TDBXWideStringValue |
Description
Returns true if the value is null.
Returns true if the value is null. This method should be called before calling any of the Get methods. If the value is null, the Get methods will throw TDBXError exception if they are called.