Re: Access SQL Server Express over the Internet

danny heijl wrote:

In case of Win32 Delphi they are very outdated now.
The .net data-aware components can bind to any kind of suitable datasource (XML, plain object, generic lists ...).

I am rather fond of my third-party data aware components such as Elpack.


Are they still usable? Is in-place editing in dbgrid's still possible?

Mostly not, unless you write your own dataset implementation on top of xml the data.

One great advantage of data-aware controls is the centralized handling
of metadata constraints such as maximum string length, formatting,
decimals etc. Also I use tfield's ongettext/onsettext events extensively
to do a fully transparent unit system conversion. It would be extremely
painful to give up such stuff just for the sake of having a middle tier.
Instead I have done extreme optimization of the SQL statements in my
applications so that a 2-tier approach still works well even over slow
internet connections and vpn's.




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Arthur Hoornweg

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