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ID: 27708, DataSnap, SOAP and Web Services

by Guinther Pauli Email: Anonymous


DataSnap, SOAP and Web Services
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For Delphi, Version 7.0  to 7.0 551 downloads
Copyright: No significant restrictions


Size: 28,639 bytes
Updated on Fri, 07 May 2010 09:43:34 GMT
Originally uploaded on Fri, 07 May 2010 09:43:27 GMT
SHA1 Hash: 7306F442F97286AF95D6820706150CE7541B0662
MD5 Hash: C2EBDDE3E429D9A360955CB6971BC827

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Description
This application shows how to use SOAP with DataSnap to change data over the Internet, integrating for example Companies and Subsidiaries, without to use Web based technologies as ASP.NET or VCL for the Web. With this application you can use traditional VCL Forms to send information to a remote server, using SOAP over HTTP and XML. Easy to migrate traditional client / server applications to use distributed technologies.
Application features:
- Local XML cache to reduce data traffic, in static lookups for example;
- Creation and register of dynamic created DataSetProviders in server;
- Capacity of work in off-line mode: client work in data without connection, when connection is available, can apply the updates;
- How to include customized data in XML Data Packets;
- How to use de DataRequest IAppServer method to avoid create "n" server methods for each operation (remember, interfaces are imutables);
- How to invoke Stored Procedures accross IAppServer;
- How to invoke non IAppServer Methods;

For more information, see http://guintherpauli.blogspot.com

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