C# writing to a file

For instance, MemoryStream works with data located in the memory and FileStream with data in a files. The File. WriteAllText method creates a new file, writes the contents to the file, and then closes the file. If the target file already exists, it is overwritten. WriteAllText method takes two parameters: the file to write to and the string to write to the file.

The method takes an optional third parameter: the encoding. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No.

Any additional feedback? Your program will not execute any other code until the contents of the file are written. The StreamWriter class can also be used to write to a file asynchronously. This will be the subject of the next tutorial. Don't stop learning! There is so much to discover about C. That's why I am making my favorite tips and tricks available for free. Enter your email address below to become a better. NET developer. Email address Discover C Did you know? Our beautiful, multi-column C reference guides contain more than tips and examples to make it even easier to write better code.

Email address. Then we use the ReadAllText method to read the contents of the file:. We just launched W3Schools videos. Get certified by completing a course today! If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:. Example using System. IO namespace File.