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
28 Jan 2000 "Operation not applicable" when opening ClientDataSet.
The error occurs when opening a ClentDataSet with nested datasets.
FAQ
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
24 Sep 2010 Building, debugging, and deploying a DataSnap/REST ISAPI dll
Steps and suggestions for deploying a DataSnap/REST server as an ISAPI DLL
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
23 Dec 2011 Connecting an Embarcadero Prism XE2 Windows Phone App to a Delphi XE2 DataSnap Server
31 Days of RAD Studio XE2 Video Tutorials - Day 23 Tutorial
Tim DelChiaro Video
5 Oct 2010 Connections with DataSnap
See how to access the current connection's web request and web response in your DataSnap/REST server methods unit
John Kaster Article
22 Mar 2012 Convert and copy data between TDataSet, TJSONObject and DBXReader
Learn how to use TDBXJSONTools class on mobile applications to convert data between different data types
Andreano Lanusse Article
18 Jan 2000 Creating multi-tier information systems using MIDAS by Natalia Elmanova
Using MIDAS is a very effective way to solve many problems with data access maintenance in client/server systems. Multi-tier systems with MIDAS are easy to configure, maintain, and upgrade.
David Intersimone Article
8 Sep 2008 DataSnap 2009 Memory Management
Memory management conventions used for server class instances, server method parameters and return values.
Steven Shaughnessy Article
6 Sep 2008 DataSnap 2009 Overview
This is an introduction to the new component based DataSnap technology included in Delphi 2009.
Steven Shaughnessy Article
25 Sep 2008 DataSnap 2009 support for C++Builder
This article describes the level of support for C++ Builder in DataSnap 2009
Steven Shaughnessy Article
8 Sep 2008 DataSnap 2009 Threading Model
This article describes the threading model employed by the 2009 edition of DataSnap.
Steven Shaughnessy Article
20 Oct 2011 DataSnap connectivity for iOS using Delphi XE2 and FireMonkey
This article discusses how you can connect to existing DataSnap servers from an iOS application using RAD Studio XE2
Anders Ohlsson Article
23 Nov 2009 DataSnap Tooling
Delphi and Delphi Prism Video Replay from the CodeRage Developer Conference
Tim DelChiaro Video
28 Feb 2000 Delphi 5 InternetExpress (with XML)
Bob Swart examines Delphi 5's InternetExpress in a nice, long article
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
11 Jan 2013 Delphi Labs: DataSnap code samples updated to XE3
Blog post from Pawel Glowacki
Tim DelChiaro Article
29 Mar 2011 Delphi Labs: DataSnap XE - "Plain Old Delphi Object" Parameters
In this article we are going to have a look at different types of parameters you can pass between DataSnap client and server applications. As a demo project we are going to pass parameters that are plain Delphi classes. In Java Enterprise Edition there is a concept of “Plain Old Java Objects” for passing data between applications. Here we are going to use the same pattern for exchanging data between clients and servers, so it should be OK to call parameter types used in the demo: “Plain Old Delphi Objects” or in short “PODOs”!
Pawel Glowacki Tutorial
9 Feb 2011 Delphi Labs: DataSnap XE - Authentication and Authorization
In this lab exercise we are going to use Delphi XE to explore new DataSnap support for authentication and authorization.
Pawel Glowacki Tutorial
14 Apr 2011 Delphi Labs: DataSnap XE - Callbacks
"Delphi Labs" DataSnap XE "Callbacks" demo shows the most simple use of callbacks. Both client and server are Delphi VCL Forms applications. This tutorial covers broadcasting to a channel and notifying a specific callback.
Pawel Glowacki Article

Server Response from: ETNASC03