Download Pdf File From S3 Bucket C# ~upd~ -

To download a PDF file from an Amazon S3 bucket using C#, you primarily use the AmazonS3Client or the high-level TransferUtility provided by the AWS SDK for .NET . Prerequisites

: Install AWSSDK.S3 via the NuGet Package Manager in Visual Studio.

: You will need an Access Key , Secret Key , and the Region where your bucket is hosted. download pdf file from s3 bucket c#

: The specific Bucket Name and the Key (the file path/name) of the PDF. Option 1: Using GetObjectAsync (Recommended for Streaming)

using Amazon.S3.Transfer; public async Task DownloadWithTransferUtility(string bucketName, string keyName, string filePath) { using var s3Client = new AmazonS3Client(); var transferUtility = new TransferUtility(s3Client); // Downloads the S3 object to the specified local path await transferUtility.DownloadAsync(filePath, bucketName, keyName); } Use code with caution. Best Practices for C# S3 Downloads Amazon S3 examples using SDK for .NET - AWS Documentation To download a PDF file from an Amazon

: You can also access response.ResponseStream to process the PDF in memory (e.g., using a library like Syncfusion ). Option 2: Using TransferUtility (High-Level API)

Before implementing the code, ensure you have the following: : The specific Bucket Name and the Key

The TransferUtility simplifies the process, especially for large files, by managing the underlying complex multipart download operations for you.

using Amazon; using Amazon.S3; using Amazon.S3.Model; public async Task DownloadPdfAsync(string bucketName, string keyName) { using var s3Client = new AmazonS3Client(RegionEndpoint.USEast1); var request = new GetObjectRequest { BucketName = bucketName, Key = keyName }; using GetObjectResponse response = await s3Client.GetObjectAsync(request); // Write directly to a local file await response.WriteResponseStreamToFileAsync("C:\\temp\\downloaded.pdf", false, CancellationToken.None); } Use code with caution.