WebDec 11, 2014 · and this is the C# code: System.Net.WebClient Client = new System.Net.WebClient (); Client.Headers.Add ("Content-Type","binary/octet-stream"); byte [] result = Client.UploadFile ("http://your_server/upload.php","POST","C:\test.jpg"); string s = System.Text.Encoding .UTF8 .GetString (result,0,result.Length ); Share Improve this … WebFeb 1, 2007 · Here we will see a simple procedure to make a request of type "multipart/form-data" from C# using the HttpWebRequest class. We are taking this article as a reference: Send a request to an SSL page from C#. Content The big problem of this type of request is how to prepare the data package that will be passed to the class.
c# - Send image with HttpClient to POST WebApi and consume the data …
WebSep 10, 2024 · using (var wb = new WebClient ()) { wb.Headers [HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded"; string data = File.ReadAllText (filePath); data = "data=" + data; string res = wb.UploadString (webService, /*"POST",*/ data); } Share Improve this answer Follow answered Sep 10, … WebMay 9, 2024 · Web API automatically converts the name/value pairs into an instance of the Update class. Sending Form Data via AJAX When a user submits a form, the browser navigates away from the current page and renders the body of the response message. That's OK when the response is an HTML page. christine yang halifax
HttpClient Multipart Form Post in C# - Stack Overflow
WebThe WebClient class provides common methods for sending data to or receiving data from any local, intranet, or Internet resource identified by a URI. The WebClient class uses the … WebOct 25, 2010 · WebRequest request = WebRequest.Create ("http://www.contoso.com/PostAccepter.aspx"); // Set the Method property of the request to POST. request.Method = "POST"; // Create POST data and convert it to a byte array. string postData = "This is a test that posts this string to a Web server."; byte [] byteArray = … WebAug 29, 2024 · If you need to upload a file to an API using a multipart form then you’re generally better off using HttpClient rather than WebClient, unfortunatly however … german ideology marx