Read write file .net

Trevoir Williams. Peter Jepson. Ebenezer Ogbu. Arnold Higuit. Eric Frick. Previous Page. Next Page. All of the above-mentioned ways to write to a text file are illustrated in the example code given below. WriteLine File. Output: In case you want to add more text to an existing file without overwriting the data already stored in it, you can use the append methods provided by the File class of System.

Skip to content. Change Language. Related Articles. Table of Contents. Improve Article. Save Article. Like Article. Last Updated : 01 Apr, ReadAllText " ;. ReadAllText file ;. WriteLine str ;. WriteLine ;. ReadAllLines " ;. ReadAllLines file ;.

WriteLine ln ;. WriteLine line ;. Close ;. ReadKey ;. WriteAllText file, text ;. WriteAllLines file, textLines1 ;. Privacy policy. The following examples show how to read text synchronously and asynchronously from a text file using. NET for desktop apps. In both examples, when you create the instance of the StreamReader class, you provide the relative or absolute path to the file. These code examples do not apply to Universal Windows UWP apps, because the Windows Runtime provides different stream types for reading and writing to files.

For an example that shows how to read text from a file in a UWP app, see Quickstart: Reading and writing files. For examples that show how to convert between. The following example shows a synchronous read operation within a console app.