Bala's Blog

private void file_write()
 {
   string path="D:\\Temp\\My Documents\\";           // Parent Directory
   string name=TextBox1.Text;
   string ext=".txt";
   string fname=path+name+ext;
   
   FileInfo file1=new FileInfo(fname);
   
   StreamWriter sw=file1.CreateText();
   sw.WriteLine("This is a demo for writing to a text file");         // Writing a string directly to the file
   sw.WriteLine(TextBox2.Text);  // Writing content read from the textbox in the form 
   sw.Close();
 }

private void file_read()
 {
   string path="D:\\Temp\\My Documents\\";           // Parent Directory
   string name=TextBox1.Text;
   string ext=".txt";
   string fname=path+name+ext;
   string readcontent;
   
   FileInfo file1=new FileInfo(fname);
   
   StreamReader sr=new StreamReader(file1);
   readcontent=sr.ReadToEnd();        // Reading content from the file and storing to a string 
   sr.Close();
   TextBox2.Text=readcontent;                        // Display contents in a textbox in the form
 }
 
private void file_append()
 {
   string path="D:\\Temp\\My Documents\\";           // Parent Directory
   string name=TextBox1.Text;
   string ext=".txt";
   string fname=path+name+ext;
   FileInfo file1=new FileInfo(fname);
   StreamWriter sw=File.AppendText(file1)
   sw.WriteLine("This is a demo for appending text content to a  file");       
                                                                                      // Writing a string directly to the file
   sw.WriteLine(TextBox2.Text);   // Writing content read from the textbox in the form
   sw.Close();
 }