Writing in a text file using c#

WriteAllText creates a new file if the file is not created. WriteAllText method to write a strings to a text file. WriteAllBytes method writes a byte array to a file and closes the file.

If the target file already exists, it is overwritten. View All. C Write To File. Mahesh Chand Updated date Mar 07, C StreamWriter class is one of the common ways to create and write to a file. The File. C file. Next Recommended Reading. Net Core 6. Create A. Asked 4 years, 8 months ago. Active 4 years, 8 months ago. Viewed 13k times. Improve this question. Strnik Strnik 27 1 1 gold badge 2 2 silver badges 8 8 bronze badges. Check your bin folder. It may be placed inside that. When using System.

WriteAllText there's no need for a FileStream. Create path creates and locks the file, so the subsequent call to WriteAllText will fail. Simply get rid of the FileStream. Are you getting the "Text to add to the file" value written out to the console when reading it? Have you tried a more "compliant" path - without spaces? Are you guys in the same class or something? You have the same exact bug as in the marked duplicate, posted just yesterday. It's illegal to write to the same file you just opened using File.

Create until you have closed that stream. We need to store this string in a variable and use it to display the contents onto the screen.

ReadAllLines reads a file one line at a time and returns that line in string format. We need an array of strings to store each line.

We display the contents of the file using the same string array. There is another way to read a file and that is by using a StreamReader object. The StreamReader also reads one line at a time and returns a string. All of the above-mentioned ways to read a file are illustrated in the example code given below.

WriteLine "Reading File using File. ReadAllText file ; Console. WriteLine ; Console. ReadAllLines file ; foreach string ln in lines Console. Close ; Console.

Or you can use the Visual Studio. Here, we have a text file named as Textfile. WriteAllText and File. WriteAllText writes the entire file at once. It takes two arguments, the path of the file and the text that has to be written.

WriteAllLines writes a file one line at a time. It takes two arguments, the path of the file and the text that has to be written, which is a string array. There is another way to write to a file and that is by using a StreamWriter object. The StreamWriter also writes one line at a time. All of the above-mentioned ways to write to a text file are illustrated in the example code given below.

WriteLine File.