How can password textbox that set to :
password_txtBox.PasswordChar =\"*\"
to be unmasked ( from checkbox ) and then mask again without
txtPassword is the Password textbox, chkSeePassword is the Show password checkbox. Now add some code to the checkbox's CheckedChanged event
private void chkSeePassword_CheckedChanged(object sender, EventArgs e) { txtPassword.UseSystemPasswordChar = !chkSeePassword.Checked; }