Question

i have created a login form using c# Windows form & i am saving username or password to a text file by submiting login form.

but what i want is:- when i click in my textbox it should show the all saved username or password to choose(username or password) that i have saved so i don’t have to insert the same username or password again.

what i want is like this: http://i49.tinypic.com/rkuats.jpg and http://i46.tinypic.com/21edys1.jpg

and this is my code:

    private void button1_Click(object sender, EventArgs e)
    {
        try
        {
            FileStream fs = new FileStream("data.txt", FileMode.Append,
            FileAccess.Write);
            StreamWriter sw = new StreamWriter(fs);
            sw.Write("Email ID: ");
            sw.WriteLine(textBox1.Text);
            sw.Write("Password: ");
            sw.Write(textBox2.Text);
            sw.WriteLine();
            sw.WriteLine();
            sw.Flush();
            sw.Close();
            fs.Close();
        }
        catch (Exception)
        {
            MessageBox.Show("Error", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            this.Close();
        }
            MessageBox.Show("Login Complited", "Done", MessageBoxButtons.OK, MessageBoxIcon.Information);
            textBox1.Clear();
            textBox2.Clear();
    }

Answer 1

Sounds like what you want is AutoComplete. Check out this link on C Sharp Corner to see how to enable auto complete