[Lazarus] Encoding with SDF dataset

Michael Van Canneyt michael at freepascal.org
Thu Nov 5 15:57:04 CET 2015

On Thu, 5 Nov 2015, Marc Santhoff wrote:

> On Do, 2015-11-05 at 14:25 +0100, Marc Santhoff wrote:
>> On Mi, 2015-11-04 at 19:01 +0100, Marc Santhoff wrote:
>>> Hi,
>>> when trying to us a TSdfDataset connected to a TDatasource and a
>>> TDBGrid, only some unicode symbols are shown (those little squares
>>> holding four tiny numbers) for string data.
>>> The data files are encoded iso-8859 but I have found no switch for
>>> setting the encoding of TDataSource or TSdfDataset. When loading a
>>> TFileStream is used, but I did not find a property or method for
>>> changing the encoding on the fly in it, either.
>>> How can I fix it?
>> Digging some TSream*-Classes in Unit Classes I think one way to go would
>                 t
>> be to make a TString-descendant of some type, maybe TCustomMemoryStream
>               TStream-
>> or TStringStream and add a method "ReadUTF8()" or similar. Or directly
>> override the Read()-Method for returning converted Strings.
>> Still hoping for a more simple solution, any ideas or hints?

None. It is an old problem, see:


This can be easily solved when we start the Unicode RTL and classes.


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