Example of asp net core web app using csom with user access token

Introduction

ASP.NET is a popular language used for building web applications. In this article, we will explore an example of an ASP.NET Core web app using CSOM (Client-Side Object Model) with a user access .

What is CSOM?

CSOM is a set of libraries that allows to interact with SharePoint and other Microsoft products. It provides a way to access and manipulate data in these products using client-side code.

Setting up the ASP.NET Core Web App

To get started, let's create a new ASP.NET Core web app. Open Visual and select “Create a new project.” Choose the ASP.NET Core Web Application and provide a name for your project.


// ASP.NET Core web app code goes here

Adding CSOM to the Project

Next, we need to add the CSOM libraries to our project. Right-click on the project in Visual Studio and select “ NuGet Packages.” Search for “Microsoft.SharePointOnline.CSOM” and install the package.


// CSOM libraries  to the project

Obtaining User Access Token

In order to use CSOM with a user access token, we need to the token . This can be done by an authentication flow, such as OAuth. Once the user is authenticated, we can retrieve the access token.


// Code to obtain user access token

Using CSOM with User Access Token

Now that we have the user access token, we can use CSOM to interact with SharePoint or other Microsoft products. Let's consider an example where we want to retrieve a list of documents from a SharePoint site.


// Code to retrieve list of documents using CSOM and user access token

Conclusion

In this article, we explored an example of an ASP.NET Core web app using CSOM with a user access token. We learned about CSOM, setting up the ASP.NET Core web app, adding CSOM to the project, obtaining a user access token, and using CSOM to interact with SharePoint or other Microsoft products. This example demonstrates how CSOM can be used to extend the functionality of ASP.NET web applications.

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