DataSnap

Welcome to the DataSnap area!

The DataSnap area has content devoted to conventional and distributed database applications that use DataSnap technology. C++ articles on DataSnap can be found in the C++ Community's DataSnap area.

You can also find additional articles on InternetExpress, which uses DataSnap XML data packets, in the Delphi Web Technologies neighborhood or the C++ Web Technologies neighborhood.


Articles

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DateTitleAuthorType
23 May 2003 Distributed Information Systems. From A to Z. - Part I. Introduction.
This article is a first from a set where we going to discuss several aspects of building distributed information systems using Delphi 7 and Indy.
Serge Dosyukov Contributed Article
14 May 2003 Distributed Information Systems. From A to Z. - Part IV. Using multiple TSOAPDatamodules or multiple TDataModules.
This is a 4th article from a list, it shows how to transfer multiple TSOAPDataModule into one and use multiple TDataModules instead.
Serge Dosyukov Contributed Article
26 Mar 2003 problems with dbExpress connecting to DB2. Get error: SQL0204N "tablename" is an undefined name. SQLSTATE-42704
explains how to work around the SQLSTATE-42704 error
Angel Martinez FAQ
28 Feb 2003 Distributed Information Systems. From A to Z. - Part III. How to use multiple SOAPDataModules in your Web service
This a 3rd article shows how to build a stand-alone Web service using Indy and Delphi 7
Serge Dosyukov Contributed Article
28 Feb 2003 Distributed Information Systems. From A to Z. - Part II. Building a stand-alone Web service with Indy in Delphi 7
This is a 2nd article shows how to build a stand-alone Web service using Indy and Delphi 7
Serge Dosyukov Contributed Article
18 Feb 2003 Implementing Callbacks to a Datasnap Server Interface by Xavier Pacheco
Add the ability for a Datasnap Server to call your client application through a callback.
Xavier Pacheco Contributed Article
28 Oct 2002 How to use AutoInc fields with DataSnap
Dan Miser shows a technique for implementing auto-incrementing fields for any DataSnap server. Updated 28-Oct-2002.
John Kaster Article
13 Oct 2001 Design Considerations for MIDAS/DataSnap
A white paper on things you should think about when you chose to use MIDAS/DataSnap.
Vino Rodrigues Contributed Article
11 Dec 2000 Dynamic Constraints in MIDAS
John K shows source code and sample projects for a run-time dynamic constraint editor for MIDAS servers, allowing you to change data constraints on the fly for your clients without recompiling
John Kaster Article
12 Oct 2000 Midas & COM Tips and Tricks
Shows how to build applications using multiple modules that communicate via COM and share a Midas server. Demonstrates transfering files, arrays and other data structures using COM.
Bill Todd Contributed Article
1 Aug 2000 Using the MIDAS ClientDataset as a replacement for cached updates
Dan Miser has updated his classic article on the many ways to freely leverage the MIDAS ClientDataset
John Kaster Article
31 Jul 2000 Activating the clientdataset closes the query.
Delphi 5 uses Midas 3 and the difference between Midas 2 and Midas 3 is that Midas 3 is stateless.
Kendall Sullivan FAQ
13 Jun 2000 Extending InternetExpress with Custom Components
Nick Hodges explains how to enhance InternetExpress, complete with source code. This is an excerpt from his BorCon 2000 presentation
John Kaster Article
21 Mar 2000 Resolving Joins with MIDAS 3
Dan Miser describes some convenient ways to resolve joins using MIDAS 3
John Kaster Article
15 Mar 2000 Come See Kylix in Milwaukee, WI or Chicago, IL
John K will be on the road March 21st and 23rd, showing Delphi 5's Internet Express and a preview of Kylix
John Kaster Article
3 Mar 2000 Delphi 5 Product Review (Mainly Internet Features)
Bob Swart takes you on a tour through just about every internet feature available in Delphi; from ActiveForms to CGI/ISAPI with WebBroker, MIDAS and - of course - his personal favorite InternetExpress.
John Kaster Product Review
28 Feb 2000 Delphi 5 InternetExpress (with XML)
Bob Swart examines Delphi 5's InternetExpress in a nice, long article
John Kaster Article
23 Feb 2000 When do I need to buy a MIDAS License?
John K reveals the greatly reduced price for MIDAS 3, explains MIDAS licensing, and gives some example scenarios.
John Kaster Article
15 Feb 2000 Stateless App Servers with MIDAS 3
Dan Miser explains how MIDAS 3's stateless servers function
John Kaster Article
28 Jan 2000 "Operation not applicable" when opening ClientDataSet.
The error occurs when opening a ClentDataSet with nested datasets.
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