Why do i have error on SharePointOnlineCredentials ? namespace not found

问题

I have CSOM packaged installed as you can see:

And i cannot install sharepoint package or runtime because it says its not compatible with my version 3.1 ...

So this is a repeated question, but the thing is i cant comment and in any other post people tell us to install all this packages i talked before... How can i use SharePointOnlineCredentials? Thanks for any help

回答1:

SharePointOnlineCredentail isn't supported in .NET Standard platform any more.

Please check the official document here for more details:

A solution would register Azure AD App and use this App get the access token for authentcaition.

You can refer the official document above for detailed code sample.

回答2:

All you need is Microsoft.SharePointOnline.CSOM NuGet package. You will find SharePointOnlineCredentials in Microsoft.SharePoint.Client namespace:

 var creds = new SharePointOnlineCredentials(username, password);

来源：https://stackoverflow.com/questions/64026245/why-do-i-have-error-on-sharepointonlinecredentials-namespace-not-found