Download and Upload files via Graph API from SharePoint lists and document libraries. C# .NET6

Amit Singh Rawat 731

Hi,

I want to download files from my SharePoint Site (Not One Drive). And with the help of GraphServiceClient, I am able to get SiteID, ListID and also itemId.

Now how can I upload and download files to this library with the help of Graph API (GraphServiceClient).

This is how I am creating object of GraphServiceClient;

ClientSecretCredential clientSecretCredential = new(tenantID, clientID, clientSecret);
                GraphServiceClient graphClient = new(clientSecretCredential);

ChengFeng - MSFT 5,040 Reputation points Microsoft Vendor

2023-08-17T06:54:05.7666667+00:00

Thank you for your question.

We are currently looking into this issue and will give you an update as soon as possible.

Thank you for your understanding and support.

1 answer

ChengFeng - MSFT 5,040 Reputation points Microsoft Vendor

2023-08-18T06:27:02.2833333+00:00
Hi @ASR

It is recommended to browse the official documentation here, which provides code examples for your reference：

Here is Download file:

// Code snippets are only available for the latest version. Current version is 5.x var graphClient = new GraphServiceClient(requestAdapter); await graphClient.Drives["{drive-id}"].Items["{driveItem-id}"].Content.GetAsync();

Here is upload file:

https://learn.microsoft.com/en-us/graph/api/driveitem-createuploadsession?view=graph-rest-1.0

https://stackoverflow.com/questions/41285403/upload-file-to-sharepoint-drive-using-microsoft-graph

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Cheng Feng
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2 people found this answer helpful.
Amit Singh Rawat 731 Reputation points

2023-08-19T10:35:37.3266667+00:00

The term "drive" is somewhat unclear to me. My aim is to target SharePoint Online websites, not OneDrive. Could you please clarify whether the document you provided pertains to SharePoint Online sites or OneDrive?

ChengFeng - MSFT 5,040 Reputation points Microsoft Vendor

2023-08-21T06:12:21.94+00:00

I understand your confusion.

The term “drive” in Microsoft Graph API refers to a logical container of files and folders, which can be either a OneDrive account or a SharePoint document library.

You can access the drives of SharePoint Online sites by using the /sites/{site-id}/drive or /sites/{site-id}/drives endpoints.

The document I provided pertains to both SharePoint Online sites and OneDrive, as they share the same REST API.

You can use the /v1.0/sites/root endpoint to access the default site of your organization, or the /v1.0/sites/{hostname}:/{site-path} endpoint to access a specific site by its path.

For example, if you want to access the drive of a site named “Contoso” under , you can use this endpoint: /v1.0/sites/contoso.sharepoint.com:/Contoso:/drive.

I hope this helps you understand how to use the Microsoft Graph API to target SharePoint Online sites
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Download and Upload files via Graph API from SharePoint lists and document libraries. C# .NET6

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