How to update database using file without user interaction in ASP.NET C#

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Dear All,

I have created Web(ASP.NET C#) and Windows application(WinForms) for Candidates test and using database SQL-SERVER 2014.

Now, I have one requirement:
While the candidate is having a test and internet is off, the candidate can continue and finished the exam after finishing the exam it should update the result to the server automatically without any user interaction.

What I have tried:

I created one windows services to update the result via communicating the webserver but unfortunately, its getting failed to communicate webserver.

Can anyone suggest me some good ideas, Please?

Thanks

Posted 19-Aug-19 21:15pm

Member 14563353

Updated 19-Aug-19 21:33pm

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OriginalGriff · Answer 1 · 2019-08-19T21:33:00

Solution 2

You will get "failed to communicate" until the connection can be made : i.e. when the internet connection is returned.

So what you need to do is use a try ... catch block in your service to detect the failure, and schedule a retry later: maybe wait one minute and retry.

Posted 19-Aug-19 21:33pm

OriginalGriff

RickZeeland · Answer 2 · 2019-08-19T21:30:00

Solution 1

Export / Import the data as XML, here is an example: Export data from SQL Server as XML[^]
And also: Importing and Processing data from XML files into SQL Server tables[^]

Posted 19-Aug-19 21:30pm

RickZeeland

Updated 19-Aug-19 21:31pm

v2