Just wrap it in a FileStream. StreamWriter sw = new StreamWriter( new FileStream(saveFileDialog1.FileName, FileMode.Open, FileAccess.ReadWrite), Encoding.UTF8 ); If you want to append, use FileMode.Append instead. You should also call Dispose() on a try/finally block, or use a using block to dispose the object when it exceeds the using scope: using( var sw = new StreamWriter( … Read more
using(StreamWriter writer = new StreamWriter(“debug.txt”, true)) { writer.WriteLine(“whatever you text is”); } The second “true” parameter tells it to append. http://msdn.microsoft.com/en-us/library/36b035cb.aspx
According to source code here aspnet/AspNetWebStack/blob/master/src/System.Web.Mvc/FileStreamResult.cs Yes protected override void WriteFile(HttpResponseBase response) { // grab chunks of data and write to the output stream Stream outputStream = response.OutputStream; using (FileStream) { byte[] buffer = new byte[BufferSize]; while (true) { int bytesRead = FileStream.Read(buffer, 0, BufferSize); if (bytesRead == 0) { // no more data break; … Read more
You can do this with a StringWriter writing the value directly to a string builder object StringBuilder sb = new StringBuilder(); StringWriter sw = new StringWriter(sb); // now, the StringWriter instance ‘sw’ will write to ‘sb’
There is no such thing as “special character”. What those likely are is extended ascii characters from the latin1 set (iso-8859-1). You can read those by supplying encoding explicitly to the stream reader (otherwise it will assume UTF8) using (StreamReader r = new StreamReader(fileName, Encoding.GetEncoding(“iso-8859-1”))) r.ReadToEnd();
Ah when documentation fails, decompile. I always forget that! Well, don’t do that. It isn’t necessary anymore, you can look at the actual source code that the Microsoft programmers wrote. Always better than decompiled code, it has comments. Visit the Reference Source website. It was updated about a fat year ago, it has now a … Read more
You are forgetting to flush your StreamWriter instance. public static Stream Foo() { var memStream = new MemoryStream(); var streamWriter = new StreamWriter(memStream); for (int i = 0; i < 6; i++) streamWriter.WriteLine(“TEST”); streamWriter.Flush(); <– need this memStream.Seek(0, SeekOrigin.Begin); return memStream; } Also note that StreamWriter is supposed to be disposed of, since it implements … Read more
protected void TestSubmit_ServerClick(object sender, EventArgs e) { using (StreamWriter _testData = new StreamWriter(Server.MapPath(“~/data.txt”), true)) { _testData.WriteLine(TextBox1.Text); // Write the file. } } Server.MapPath takes a virtual path and returns an absolute one. “~” is used to resolve to the application root.
I am not sure if this would help but try to change the b variable to the bytes variable in the line below at least you would be able to view the file in a test editor fs.writeFile(“test.txt”, b, “binary”,function(err) { }); If you would like to have the numbers space separated try the code … Read more
You can simply call using (StreamWriter w = File.AppendText(“log.txt”)) It will create the file if it doesn’t exist and open the file for appending. Edit: This is sufficient: string path = txtFilePath.Text; using(StreamWriter sw = File.AppendText(path)) { foreach (var line in employeeList.Items) { Employee e = (Employee)line; // unbox once sw.WriteLine(e.FirstName); sw.WriteLine(e.LastName); sw.WriteLine(e.JobTitle); } } … Read more