Convert pictures to BASE64 code in C#

//The image is converted to base64 encoded text
                                                                              using using using using          out out out through '' out's ’   ’     through ‐ through off‐line ‐‐‐‐‐ off to base64 encoded text
                                                   dlg.Title = "Select the picture you want to convert" ;
             dlg.Filter = "Image files (*.jpg;*.bmp;*.gif;*.png)|*.jpg*.jpeg;*.gif;*.bmp|AllFiles (*.*)|* .*";
              if (DialogResult.OK == dlg.ShowDialog())
                                                                                                                                   ToString());
                                                                                                                                                     .
             try
                                                                                                                                                                                                                                                                       Image = bmp; MemoryStream ms = new MemoryStream();
                       bmp.Save(ms , System.Drawing.Imaging.ImageFormat.Jpeg);                    byte[] arr = new byte[ms.Length]; Length); ​sw.Close();
                                                                                                                                                                                                                                                                                 . Conversion successful!");
          }
                                                                                                     catch (Exception                                                                                                                                                                                                                                                             
           private void button2_Click(object sender, EventArgs e)
                                                                                                                                                                                                                                            viadlg.Title = "Select base64-encoded text to convert";
           dlg.Filter = "txt files|*.txt";
                                                                                                       for (int i = 0; i                                                                                                                                                                                                                                              Base64StringToImage(string txtFileName)
                                                                                                                                                          StreamReader sr = new StreamReader(ifs);

StreamReader sr = sr.ReadToEnd() ;
           byte[] arr = Convert.FromBase64String(inputStr);                      //bmp.Save(txtFileName + ".jpg", (System.Drawing.Imaging.ImageFormat.Jpeg); //bmp.Save(txtFileName + ".png", ImageFormat.Png); This.pictureBox2.Image = bmp;
if (File.exists (txtFilename)) {
File.delete (txtFilename);
}
//messageBox.show ("Converted success! "); }
}