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Editorial Team
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Asked: 2026-05-16T00:48:11+00:00

I am looking at writing a WinForms app and getting stumped over what seems

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I am looking at writing a WinForms app and getting stumped over what seems to be simple issue.

There is a server and database (SQL Server) Open ports are HTTP, HTTPS

There is a WinForms client. It needs to connect a TCP/IP stream (possibly HTTP, SOAP, REST) to the server.

Sometimes the WinForms client goes off-line and then the WinForms client stores its data in a database.

When the WinForms client goes on-line to server, it synchronizes data to the server, gets all the latest data from the server and updates local database.

How do I do that?

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1 Answer

  1. Editorial Team

    As you’ve conceded, this question shows you might not know where to begin looking for how to architect this kind of application.

    I’d start here: http://msdn.microsoft.com/en-us/library/ms973279.aspx

    The offline architecture you’ve described is a little tougher for a newbie than not supporting this, consider making the application only work online first, then add offline functionality.

    Also, if you have a web server you will almost always use HTTP, SOAP and REST are strategies that sit on top of HTTP. I cannot recommend that a new developer look at any server communication using direct TCP/IP.

    Edit: Answer to related question – there are tons of ORMs and service builders, not a lot of them have built in support for offline workflow but ODX does, but it might be a bit out of date. NHibernate and any of the projects in the Castle Project are very popular components for what you’re looking to do also.

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