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How to get the size of a blob field in a table

Title: How to get the size of a blob field in a table Question: How to use TBlobStream to get the size of the blob field ? Answer: The function GetBlobSize returns the size of a memo, blob or graphic field. function GetBlobSize(Field: TBlobField): longint; begin with TBlobStream.Create(Field, bmRead) do try Result := Seek(0, 2); finally Free; end; end;