Dynamically outputting multiple fields

rbuser

I am new to RB. Is there a way to use some sort of formula to concatenate
multiple fields at runtime like Quick Reports does with an "Expression" type
component? Right now I am using OnGetText() event handler but would like to
keep it encapsulated in the report template.

Thanks

--
Reid Roman
Future Generation Software
http://www.fgsoft.com

nicocizik

Reid,

There are a couple ways to concatinate multiple fields. The easiest way is
probably to create a TppVariable and add the fields to it directly from the
datapipeline. Something like this...

procedure HeaderBeforePrint(Sender: TObject);
begin
MyVariable.Value := Report.DataPipeline['city'] + ' ' +
Report.DataPipeline['State'];
end;

You can also use a memo in a similar way with more fields. An example of
this can be found in demo 33 located at \RBuilder\Demos\1. Reports\demo.dpr

--

rbuser

Ok thanks,..

As I mentioned it would be nice to have an "Expression" type component that
holds it's formula internally in a TStringlist or TCollection that gets
streamed to the .rtm file so that it is more portable and encapsulated.
Even if it only had a simple property editor to add strings rather than a
utility to pick fields and dynamically build it, it would be a way of
concatenating and/or formatting data like City, St, Zip without needing to
add the code in the .pas unit. It would be more user freindly for the end
user who will be designing custom reports.. (or is that where RAP comes
in?)

Are there third party RB components available? If not, sometime down the
road I will investigate writing one.

Thanks for the example. I will use the TppVariable method for the time
being.


--
Reid Roman
Future Generation Software
http://www.fgsoft.com

rbuser

rbuser

Nice components. I will download and evaluate them in the next few weeks or
so. Right now I am getting use to RB and the project's immediate focus for
the next couple of weeks will not be reporting.

Thanks for the lead.


--
Reid Roman
Future Generation Software
http://www.fgsoft.com