BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  What is the best class to inherit a CustomQuery component fr          BorlandTalk.com Forum Index -> Delphi OO design View previous topic :: View next topic   Author Message Bennie Strecker Guest Posted: Wed Jul 30, 2003 8:27 am    Post subject: What is the best class to inherit a CustomQuery component fr Hi All, I want to create a custom query component, which wraps a SDK ( Accounting Package ). I want to be able to type in the query and have it parsed so that I know which SDK call to use to return the data to the query. What base class should I use to inherit this component from, I don`t want to do most of the query functionality again ( Reinvent the Wheel )??? Thanks in Advance Bennie Back to top Ignacio Vazquez Guest Posted: Wed Jul 30, 2003 1:38 pm    Post subject: Re: What is the best class to inherit a CustomQuery componen "Bennie Strecker" <bennies (AT) vertebrae (DOT) co.za> wrote in message [email]3f278161 (AT) newsgroups (DOT) borland.com[/email]... Quote: I want to create a custom query component, which wraps a SDK ( Accounting Package ). I want to be able to type in the query and have it parsed so that I know which SDK call to use to return the data to the query. What base class should I use to inherit this component from, I don`t want to do most of the query functionality again ( Reinvent the Wheel )??? None of the database access libraries that come with Delphi (ADO, DBX, BDE) actually have any real query capability in them; they leave it for the "other side" to deal with. Having said that, my suggestion is that you look into writing an ODBC or OLE DB driver instead. Cheers, Ignacio -- Jesus is coming... EVERYONE LOOK BUSY! Back to top Ignacio Vazquez Guest Posted: Wed Jul 30, 2003 2:22 pm    Post subject: Re: What is the best class to inherit a CustomQuery componen "Bennie Strecker" <bennies (AT) vertebrae (DOT) co.za> wrote in message [email]3f27d337 (AT) newsgroups (DOT) borland.com[/email]... Quote: Thanks for the Advise Ignacio, where would I find a sample on how to write a ODBC driver? ( I haven`t tried writing a ODBC driver)? The definitive source for writing both ODBC and OLE DB drivers if Microsoft's Platform SDK: http://www.microsoft.com/msdownload/platformsdk/sdkupdate/ Look in the documentation under Data ServicesMDAC SDK and for the samples in $(PSDK)Samplesdataaccess. Cheers, Ignacio -- Jesus is coming... EVERYONE LOOK BUSY! Back to top Bennie Strecker Guest Posted: Wed Jul 30, 2003 2:26 pm    Post subject: Re: What is the best class to inherit a CustomQuery componen Thanks Ignacio "Ignacio Vazquez" <ivazquezATorioncommunications.com> wrote Quote: "Bennie Strecker" <bennies (AT) vertebrae (DOT) co.za> wrote in message [email]3f27d337 (AT) newsgroups (DOT) borland.com[/email]... Thanks for the Advise Ignacio, where would I find a sample on how to write a ODBC driver? ( I haven`t tried writing a ODBC driver)? The definitive source for writing both ODBC and OLE DB drivers if Microsoft's Platform SDK: http://www.microsoft.com/msdownload/platformsdk/sdkupdate/ Look in the documentation under Data ServicesMDAC SDK and for the samples in $(PSDK)Samplesdataaccess. Cheers, Ignacio -- Jesus is coming... EVERYONE LOOK BUSY! Back to top Iman L Crawford Guest Posted: Wed Jul 30, 2003 2:34 pm    Post subject: Re: What is the best class to inherit a CustomQuery componen "Ignacio Vazquez" <ivazquezATorioncommunications.com> wrote in news:3f27ca6f (AT) newsgroups (DOT) borland.com: Quote: Having said that, my suggestion is that you look into writing an ODBC or OLE DB driver instead. or a TDataSet descendant that supports filters. That might be simpler. -- Iman "If I had to live my life all over again," said Woody Allen, "I'd do it all exactly the same ­ only I wouldn't read Beowulf." 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