how to convert a illegible string to legible string?

Question

hi

i want to convert a illegible string to legible.i try this code:

string encoded_text = richTextBox1.Text;

string decoded_text;

byte[] b = System.Text.Encoding.Default.GetBytes(encoded_text);

decoded_text = System.Text.Encoding.UTF8.GetString(b);

richTextBox2.Text = decoded_text;

but when i convert encoded_text just show ? in richtextbox2.

can you help me?

you can download my project by this link: download my project

thanks

Ranjit Powar · Answer

Try this private void button1_Click(object sender EventArgs e) { string encoded_text = richTextBox1.Text; string decoded_text=; byte[] b = System.Text.Encoding.UTF8 .GetBytes(encoded_text); foreach (byte element in b ) { decoded_text += element; } richTextBox2.Text =decoded_text ; }