WebThe simplest way would be to convert your hexadecimal string to a byte array and use the File.WriteAllBytes method. Using the StringToByteArray () method from this question, you'd do something like this: string hexString = "0CFE9E69271557822FE715A8B3E564BE"; File.WriteAllBytes ("output.dat", StringToByteArray (hexString)); WebJan 4, 2013 · Turns out the string encoding is incorrect after it's converted into byte[] So I need to put the string immediately into file, like this. FileStream xfile = new FileStream(Path.Combine(dldir, filename), FileMode.Create, System.IO.FileAccess.Write); hssfwb.Write(xfile); But I don't want to do this, I don't need the file after the download.
Convert a File to a Byte Array in C# - Code Maze
WebSep 13, 2024 · In C#, we can represent binary data (a file, an image, or anything else stored on our computer) using byte [] or Stream instance. A byte array ( byte []) is a simple array of bytes (unsigned 8-bit integer) containing the bytes of the file. Stream is an abstract class to represent a sequence of bytes. WebJul 3, 2024 · WebClient.DownloadData is the easiest way. string someUrl = "http://www.google.com/images/logos/ps_logo2.png"; using (var webClient = new WebClient ()) { byte [] imageBytes = webClient.DownloadData (someUrl); } Share Improve this answer Follow edited Aug 22, 2024 at 17:23 Martin Prikryl 183k 54 469 947 answered Jan 5, … bookscan\\u0026whiteboard suite install tool
c# - Read Http Request into Byte array - Stack Overflow
WebDec 8, 2015 · var download = new FileContentResult (bytes, "application/pdf"); download.FileDownloadName = filename; return download; I have the file here: var client = Amazon.AWSClientFactory.CreateAmazonS3Client ( accessKey, secretKey, config ); GetObjectRequest request = new GetObjectRequest (); GetObjectResponse response = … WebMar 21, 2016 · public ActionResult Download (string filePath, string fileName) { string fullName = Path.Combine (GetBaseDir (), filePath, fileName); byte [] fileBytes = GetFile (fullName); return File ( fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, fileName); } byte [] GetFile (string s) { System.IO.FileStream fs = … WebIf you already have the byte [], you should use FileContentResult, which "sends the contents of a binary file to the response". Only use FileStreamResult when you have a stream open. public ActionResult DisplayPDF () { byte [] byteArray = GetPdfFromDB (); return new FileContentResult (byteArray, "application/pdf"); } Share Improve this answer harvest the water dnd 5e