How to upload a file to amazon S3 super easy using c#

Question

I am tired of all these \"upload to S3\" examples and tutorials that don\'t work , can someone just show me an example that simply works and is super easy?

Answer 1

The solution of @docesam is for an old version of AWSSDK. Here is an example with the latest documentation of AmazonS3:

1) First open Visual Studio (I'm using VS2015) and create a New Project -> ASP.NET Web Application -> MVC.

2) Browse in Manage Nuget Package , the package AWSSDK.S3 and install it.

3) Now create a class named AmazonS3Uploader, then copy and paste this code:

using System;
using Amazon.S3;
using Amazon.S3.Model;

namespace AmazonS3Demo
{
    public class AmazonS3Uploader
    {
        private string bucketName = "your-amazon-s3-bucket";
        private string keyName = "the-name-of-your-file";
        private string filePath = "C:\\Users\\yourUserName\\Desktop\\myImageToUpload.jpg"; 

        public void UploadFile()
        {
            var client = new AmazonS3Client(Amazon.RegionEndpoint.USEast1);

            try
            {
                PutObjectRequest putRequest = new PutObjectRequest
                {
                    BucketName = bucketName,
                    Key = keyName,
                    FilePath = filePath,
                    ContentType = "text/plain"
                };

                PutObjectResponse response = client.PutObject(putRequest);
            }
            catch (AmazonS3Exception amazonS3Exception)
            {
                if (amazonS3Exception.ErrorCode != null &&
                    (amazonS3Exception.ErrorCode.Equals("InvalidAccessKeyId")
                    ||
                    amazonS3Exception.ErrorCode.Equals("InvalidSecurity")))
                {
                    throw new Exception("Check the provided AWS Credentials.");
                }
                else
                {
                    throw new Exception("Error occurred: " + amazonS3Exception.Message);
                }
            }
        }
    }
}

4) Edit your Web.config file adding the next lines inside of :

5) Now call your method UploadFile from HomeController.cs to test it:

public class HomeController : Controller
    {
        public ActionResult Index()
        {
            AmazonS3Uploader amazonS3 = new AmazonS3Uploader();

            amazonS3.UploadFile();
            return View();
        }
    ....

6) Find your file in your Amazon S3 bucket and that's all.

Download my Demo Project