open file and display the contents c# code example

Example 1: c# read all text from a file

using (StreamReader streamReader = new StreamReader(path_name, Encoding.UTF8))
{
  contents = streamReader.ReadToEnd();
}

Example 2: how to read a text file C#

string[] text = System.IO.File.ReadAllLines(@"C:\users\username\filepath\file.txt");