RAD Studio VCL Reference
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TAdoDbxDataReader.IsDBNull Method
TAdoDbxDataReader Class | TAdoDbxDataReader Members | Borland.Data.AdoDbxClientProvider Namespace | Description | See Also
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Indicates whether specified column value has a value.

Pascal
function IsDBNull(Ordinal: Integer): Boolean; override;
C++
virtual __fastcall Boolean IsDBNull(int Ordinal);
Description

For the specified zero-based column, IsDBNull returns true if the object is equivalent to DBNull and false otherwise. 

 

See Also
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