C#讀寫記事本（txt）文件

C#寫入記事本（txt）文件
方法一：
FileStream stream = new FileStream(@"d:\aa.txt",FileMode.Create);//fileMode指定是讀取還是寫入
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine("123456");//寫入一行，寫完后會自動換行
writer.Write("abc");//寫完后不會換行
writer.WriteLine("ABC");
writer.Close();//釋放內存
stream.Close();//釋放內存
 
方法二：
StreamWriter writer = new StreamWriter("d:\\aa.txt");
writer.WriteLine("123456");
writer.Write("abc");
writer.WriteLine("ABC");
writer.Close();
 
C#讀取記事本文件
方法一：
FileStream stream = new FileStream(@"d:\aa.txt", FileMode.Open);
StreamReader reader = new StreamReader(stream);
//this.textbox1.Text = reader.ReadLine(); //一次性讀取一行
this.textbox1.Text = reader.ReadToEnd();  //一次性讀取全部數據
reader.Close();
stream.Close();
 
方法二：
StreamReader reader = new StreamReader(@"d:\\aa.txt");
this.textbox1.Text = reader.ReadToEnd();
reader.Close();