[Lazarus] data export components

Michael Van Canneyt michael at freepascal.org
Tue May 26 13:40:10 CEST 2009

On Tue, 26 May 2009, Andrea Mauri wrote:

>>> I have few questions about the Data Export components, (e.g. 
>>> TCSVExporter).
>>> I create a database at runtime, then I create queries and I would like to 
>>> save the resulting datasets.
>>> Is it possible to save the datasets using as field headers something 
>>> different than the field names? Have I to use the ExportedName property? 
>>> How can I set it during runtime?
>> Yes, ExportedName is what should be used.
>> You should populate the ExportFields collection, and set the ExportedName
>> property of each item.
> I will try it.
>>> Is it possible to define a mask to save float fields? e.g If I would like 
>>> to save a float number with only two decimal digits, how can I do that?
>> I would think that the displaymask of the field component can be used to do
>> so ?
> Do you mean the DisplayFormat of the field? If so, it does not work. If I set 
> the DisplayFormat of the fields, the fields are shown correctly on a dbgrid 
> but when I save them using TCSVExporter they are saved without formatting.

Hm. I'll have a look at it. Can you please enter a bug report and assign it
to me ?


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