{"id":8338,"date":"2024-03-14T07:58:25","date_gmt":"2024-03-14T07:58:25","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-achieve-sftp-file-transfer-in-c\/"},"modified":"2025-08-03T03:30:53","modified_gmt":"2025-08-03T03:30:53","slug":"how-to-achieve-sftp-file-transfer-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-achieve-sftp-file-transfer-in-c\/","title":{"rendered":"C# SFTP Implementation"},"content":{"rendered":"<p>To implement SFTP file transfer in C#, you can use a third-party library called SSH.NET. Here is a simple example:<\/p>\n<ol>\n<li>Firstly, the SSH.NET library needs to be installed. You can search for SSH.NET in the NuGet Package Manager and install it.<\/li>\n<li>Create a new C# console application and incorporate the SSH.NET library.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">using<\/span> Renci.SshNet;\r\n<\/code><\/pre>\n<ol>\n<li>Write code to achieve SFTP file transfer.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Program<\/span>\r\n{\r\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Main<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">string<\/span>[] args<\/span>)<\/span>\r\n    {\r\n        <span class=\"hljs-comment\">\/\/ \u8fde\u63a5SFTP\u670d\u52a1\u5668<\/span>\r\n        <span class=\"hljs-keyword\">using<\/span> (<span class=\"hljs-keyword\">var<\/span> client = <span class=\"hljs-keyword\">new<\/span> SftpClient(<span class=\"hljs-string\">\"sftp.example.com\"<\/span>, <span class=\"hljs-string\">\"username\"<\/span>, <span class=\"hljs-string\">\"password\"<\/span>))\r\n        {\r\n            client.Connect();\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u4e0a\u4f20\u6587\u4ef6<\/span>\r\n            <span class=\"hljs-keyword\">using<\/span> (<span class=\"hljs-keyword\">var<\/span> fileStream = System.IO.File.OpenRead(<span class=\"hljs-string\">\"localfile.txt\"<\/span>))\r\n            {\r\n                client.UploadFile(fileStream, <span class=\"hljs-string\">\"\/remote\/path\/remoteFile.txt\"<\/span>);\r\n            }\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u4e0b\u8f7d\u6587\u4ef6<\/span>\r\n            <span class=\"hljs-keyword\">using<\/span> (<span class=\"hljs-keyword\">var<\/span> fileStream = System.IO.File.Create(<span class=\"hljs-string\">\"localfile.txt\"<\/span>))\r\n            {\r\n                client.DownloadFile(<span class=\"hljs-string\">\"\/remote\/path\/remoteFile.txt\"<\/span>, fileStream);\r\n            }\r\n\r\n            client.Disconnect();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the example above, first create an SftpClient object and connect to the SFTP server with connection information. Then upload a local file to the remote server using the UploadFile method, and download a file from the remote server to the local machine using the DownloadFile method.<\/p>\n<p>It is important to note that the server address, username, password, and file path in the sample code need to be replaced. Additionally, handling exceptions is necessary to ensure the stability and security of file transmission.<\/p>\n<p>Here is a simple example of implementing SFTP file transfer in C#. Hope it helps you!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To implement SFTP file transfer in C#, you can use a third-party library called SSH.NET. Here is a simple example: Firstly, the SSH.NET library needs to be installed. You can search for SSH.NET in the NuGet Package Manager and install it. Create a new C# console application and incorporate the SSH.NET library. using Renci.SshNet; Write [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[274,381,5362,4977,11191],"class_list":["post-8338","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c","tag-c-programming","tag-file-transfer","tag-sftp","tag-ssh-net"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C# SFTP Implementation - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to implement SFTP file transfer in C# using SSH.NET library. 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