Asp net download a sftp file using the browser

Introduction

ASP.NET is a popular programming language used for developing web applications. In this article, we will explore how to download a file from an SFTP server using the browser in ASP.NET.

Prerequisites

Before we begin, make sure you have the following:

  • An SFTP server
  • An ASP.NET project set up

Downloading a File from SFTP using the Browser

To download a file from an SFTP server using the browser in ASP.NET, we can utilize the SSH.NET library. This library provides a simple and efficient way to interact with SFTP servers.

, let's install the SSH.NET library using NuGet. Open the NuGet Package Manager Console and run the following :

Install-Package SSH.NET

Once the library is , we can proceed with the code implementation.

Create a new ASP.NET page or add the following code to an existing page:

using Renci.SshNet;
using System.IO;

 void DownloadFileFromSFTP()
{
    string host = "your_sftp_host";
    string username = "your_username";
    string  = "your_password";
    string remoteFilePath = "path_to_remote_file";
    string localFilePath = "path_to_save_file";

    using (var client = new SftpClient(host, username, password))
    {
        client.();

        using (var fileStream = File.OpenWrite(localFilePath))
        {
            client.DownloadFile(remoteFilePath, fileStream);
        }

        client.Disconnect();
    }
}

Make sure to replace the placeholders with your actual SFTP server details and file paths.

Now, let's call the DownloadFileFromSFTP method when a button is clicked. Add the following code to your ASP.NET page:

In the code- file, add the event handler for the button click:

protected void btnDownload_Click( sender, EventArgs e)
{
    DownloadFileFromSFTP();
}

Now, when the button is clicked, the file will be downloaded from the SFTP server and to the local file path.

Conclusion

In this article, we have learned how to download a file from an SFTP server using the browser in ASP.NET. By utilizing the SSH.NET library, we can easily interact with SFTP servers and perform file operations. Remember to handle any exceptions that may occur during the file download process.

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