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Asp.net Web Forms obtain access token in ReturnURI page

sanjayssk

I'm trying to use Dropbox .Net from an asp.net Web Forms application. I'm successfully able to get control in my ReturnURI web page. But I can't find any sample code on how to proceed further to obtain the AccessToken in Page_Load of that page. Please help or at least give a pointer to the sample code. The examples are not for Web Forms.

Thanks.

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Accepted answers

Greg-DB

You can see how the authorization code is exchanged for an access token in the .NET SDK SimpleBlogDemo example here:

https://github.com/dropbox/dropbox-sdk-dotnet/blob/master/dropbox-sdk-dotnet/Examples/SimpleBlogDemo/Controllers/HomeController.cs#L187

The 'code' and 'state' are returned by URL parameters, and after the 'state' is validated, you can use 'ProcessCodeFlowAsync' to exchange the 'code' for an access token.

All comments

Greg-DB

sanjayssk

Hi Greg,

Thanks for the hint. However, that code was still MVC and I have never done any async stuff in Web Forms. So I had to do some research. Finally, I was able to get the access token. Now I can try the API in Web Forms.

Many thanks,

Sanjay

olavolsf

Dear Sanjay,

Would you be so kind to send me the webform code to access "access tokens"? I am also a webforms programmer and I am having problem translating the dropbox example from MVC.

Many thanks in advance.

sanjayssk

It was so long back that I have lost all those sources. However, I remember doing something with DotNetOpenAuth, DropNet and NewtonSoft.json.

I just now searched and found some things that might help:

https://github.com/DropNet/DropNet

https://stackoverflow.com/questions/38432377/asp-net-file-upload-to-dropbox-via-api

olavolsf

Thank you very much, @sanjayssk.

I will access the links you recomended and try to get something from there.

Best regards.