What is different between FileStream and StreamWriter in dotnet? A FileStream is a Stream. Like all Streams it only deals with byte[] data. A StreamWriter : TextWriter is a Stream-decorator. A TextWriter encodes the primitive type like string, int and char to byte[] and then writes hat to the linked Stream. What context are you … Read more
This is because the StreamReader closes the underlying stream automatically when being disposed of. The using statement does this automatically. However, the StreamWriter you’re using is still trying to work on the stream (also, the using statement for the writer is now trying to dispose of the StreamWriter, which is then trying to close the … Read more
Use this instead: new StreamWriter(“c:\\file.txt”, true); With this overload of the StreamWriter constructor you choose if you append the file, or overwrite it. C# 4 and above offers the following syntax, which some find more readable: new StreamWriter(“c:\\file.txt”, append: true);
A quick jump into Reflector.NET shows that the Close() method on StreamWriter is: public override void Close() { this.Dispose(true); GC.SuppressFinalize(this); } And StreamReader is: public override void Close() { this.Dispose(true); } The Dispose(bool disposing) override in StreamReader is: protected override void Dispose(bool disposing) { try { if ((this.Closable && disposing) && (this.stream != null)) { … Read more