dot net core write to text file code example

Example 1: asp.net c# write string to text file

using (StreamWriter writer = new StreamWriter("email.txt", true)) //// true to append data to the file
{
    writer.WriteLine("your_data"); 
}

Example 2: creating a streamwiter file C#

StreamWiter writer = new StreamWriter ("Rainfall.txt", true);
writer.WriteLine("")