[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'db' (#fcl)

TBlobField.Clear

Clear the BLOB field's contents

Declaration

Source position: db.pas line 815

public procedure TBlobField.Clear; override;

Description

Clear overrides the TField implementation of TField.Clear. It creates and immediatly releases an empty blob stream in write mode, effectively clearing the contents of the BLOB field.

See also

TField.Clear

  

Clear the field contents.

TField.IsNull

  

Is the field empty
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