sharepointdocumentlibrary

问题 I have developed a SharePoint App that is running on Online SharePoint 2016 site Collection. Have another Software Application with Rest API that is running on my another Online server. More this app is purely developed using HTML,Javascript/JQuery. no server side scripting. More SharePoint App strongly integrated with my Software Application (using Ajax calls for data fetching). Now the issue is, i want to upload files into SharePoint from Software Application. Note: Anonymous access is not

问题 I am using Web Part Connections to filter documents in a documents library in SharePoint. To do this, there's a column that is required, which I've named "related contact." Here's my problem: When I go add a New Folder (instead of just a document) SharePoint only asks me for a title for the Folder. The "related contact" column (which is required for the documents) doesn't even appear. Since the info on that column is empty, web part connections doesn't see the folder at all. Is there any way

问题 What is the best way now (and in the near future) to list, upload and download files in a document library in Office 365 Sharepoint? I'm looking for .NET SDK's. There doesn't seem to be much support documentation available that targets this topic. There is the OneDrive SDK, the Office 365 Sharepoint SDK and the Graph API, but I can't find good examples. I prefer to make use of SDK's rather than than plain REST calls because I want to make use of the ADAL libraries in .NET for authenticating