C sharp read first line text file

ReadAllText method opens a text file, reads all the text in the file into a string, and then closes the file. The following code snippet reads a text file in to a string. ReadAllText textFile ; Console. WriteLine text ; The File. ReadAllLines method opens a text file, reads all lines of the file into a string array, and then closes the file.

The following code snippet reads a text file into an array of strings. NET Core set update clear cache from IMemoryCache set by Set method of CacheExtensions class make mesh follow wheel collider unity c string to sha c core deploy on gcp with powershell get unix time in seconds C 2 rotation unity c substring reverse c datagridview rows clear not working c ienumerable to list c round number up how to access asp button of gridview how to concatenate two arrays c winforms select folder dialogue How to decode Microsoft Local token in service return an interface or a class C notification platform not available c.

Social Twitter Facebook. Legal Privacy Policy Terms. Any additional feedback? Note The files that are used in this example are created in the topic How to write to a text file. Submit and view feedback for This product This page. View all page feedback. In this article. The third parameter specifies Unicode , so that StreamWriter encodes the file in Unicode format. You can also specify the following encoding methods for the third parameter:.

It's useful when you want to write one character at a time. On the File menu, point to New , and then click Project. This code creates a file that is named Test1. Open Test1. For all file manipulations, it's good programming practice to wrap the code inside a try-catch-finally block to handle errors and exceptions.

Specifically, you may want to release handles to the file in the final block so that the file isn't locked indefinitely. Some possible errors include a file that doesn't exist, or a file that is already in use.