Question

c#中如何向文本文件中写入字符串。最好写个小程序示范一下。谢谢

Answer 1

try
{

//Pass the filepath and filename to the StreamWriter Constructor
StreamWriter sw = new StreamWriter("C:\\Test.txt");

//Write a line of text
sw.WriteLine("Hello World!!");

//Write a second line of text
sw.WriteLine("From the StreamWriter class");

//Close the file
sw.Close();
}
catch(Exception e)
{
Console.WriteLine("Exception: " + e.Message);
}
finally
{
Console.WriteLine("Executing finally block.");
}

Answer 2

StreamWriter sw=new StreamWriter("D:\\test.txt");
sw.AppendLine("this is line!");
sw.Close();