Upload file - replace the contents of an existing file

Replace the contents of an existing file.

C# example

using System;
using System.IO;
using System.Threading.Tasks;
using Independentsoft.Graph;
using Independentsoft.Graph.Files;

namespace ConsoleApp1
{
    class Program
    {
        static async Task Main()
        {
            try
            {
                GraphClient client = new GraphClient();

                client.ClientId = "63333333-209e-454e-b7bd-55a4d201270f";
                client.Tenant = "independentsoft.onmicrosoft.com";
                client.ClientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";

                FileStream fileStream = new FileStream("e:\\Test.pdf", FileMode.Open);

                using (fileStream)
                {
                    DriveItem item = await client.UploadDriveItem("/Folder1/Test.pdf", new DriveId("b!T7ZW_FMzJ02x_G6HteZHZqbeq7I2qoDT"), fileStream);

                    Console.WriteLine("Id: " + item.Id);
                    Console.WriteLine("WebUrl: " + item.WebUrl);
                }

                Console.Read();
            }
            catch (GraphException ex)
            {
                Console.WriteLine("Error: " + ex.Code);
                Console.WriteLine("Message: " + ex.Message);
                Console.Read();
            }
        }
    }
}

VB example

Imports System.IO
Imports Independentsoft.Graph
Imports Independentsoft.Graph.Files

Namespace Sample
    Class Module1

        Shared Sub Main(ByVal args As String())

            Dim task = New Task(AddressOf Run)

            ' Start and wait for task to end.
            task.Start()
            Console.Read()

        End Sub

        Shared Async Sub Run()
            Try

                Dim client As GraphClient = New GraphClient()

                client.ClientId = "63333333-209e-454e-b7bd-55a4d201270f"
                client.Tenant = "independentsoft.onmicrosoft.com"
                client.ClientSecret = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

                Dim fileStream As FileStream = New FileStream("e:\Test.pdf", FileMode.Open)

                Using fileStream

                    Dim item As DriveItem = Await client.UploadDriveItem("/Folder1/Test.pdf", New DriveId("b!T7ZW_FMzJ02x_G6HteZHZqbeq7I2qoDT"), fileStream)

                    Console.WriteLine("Id: " & item.Id)
                    Console.WriteLine("WebUrl: " & item.WebUrl)

                End Using

                Console.Read()

            Catch ex As GraphException
                Console.WriteLine("Error: " + ex.Code)
                Console.WriteLine("Error: " + ex.Message)
                Console.Read()
            End Try
        End Sub

    End Class
End Namespace

Independentsoft - any library, any programming language

Graph .NET > Tutorial > Upload file - replace the contents of an existing file

Need help? Ask our developers: