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ID: 16191, CREATING SIMPLE WEBSERVICE USING DELPHI 5 (PART3 - SOAP)

by LUBOMIR ROSENSTEIN Email: Anonymous


This is the THIRD example how to create a simple web-service using Delphi5. The first one uses the HTTP for communication between the server and the client, the second adds XML to the picture and this follows the .NET SOAP vision (which will be implemented in Delphi 6 )
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Size: 8,862 bytes
Updated on Thu, 24 May 2001 20:14:55 GMT
Originally uploaded on Wed, 23 May 2001 06:40:19 GMT
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http://delphi3000.com/articles/article_2301.asp
LUBOMIR ROSENSTEIN
lubomir_rosenstein@hotmail.com
23/05/2001

This is the THIRD example how to create a simple web-service using Delphi5. The first one uses the HTTP for communication between the server and the client, the second adds XML to the picture and this follows the .NET SOAP vision (which will be implemented in Delphi 6 as we have read ) and can be built using the Microsoft SOAP Toolkit 2.0, which is available for download.
The first step is to create an Active Server Object and Active X library using Delphi 5 wizards. The COM interface is plain and has only one method, the known from the previous examples GetSum. Using the generated ASP file you can test the COM first requesting it with something like http://localhost/scripts/Summer.asp?x=6&y=8
If everything goes well, you will get the answer on your browser.
The next step is to generate Web Service Description Language (WSDL) file from the COM object. For this, the SOAP Toolkit has to be installed and the WSDL generator wizard used. Last is creating the client, which is simple once you have the SOAP library registered on your machine.

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