//Sign up button Adjustments
        private void button1_Click(object sender, EventArgs e)
            {
                //Second Password label and textbox for sign up
                label3.Visible = true;
                PassBox2.Visible = true;
            
                //Error message for username and password blank
                if (CheckBlank(UserBox.Text, PassBox1.Text) == false)
                {
                    MessageBox.Show("Username and Password must not be blank", "Error",MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            
            
            
                //Error message for username and password length
                else if (CheckLength(UserBox.Text, PassBox1.Text) == false)
                {
                    MessageBox.Show("Username and Password must be at least 6 characters long", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            
            
            
                //Error message for password confirmation
                else if (CheckMatch(PassBox1.Text, PassBox2.Text) == false)
                {
                    MessageBox.Show("Passwords must match", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
               //attend new values from text boxes to variables
                else
                {
                    username = UserBox.Text;
                    password = PassBox1.Text;
                    password2 = PassBox2.Text;
                }
            //Adressing UserInfo.csv file 
            string currentDirectory = Directory.GetCurrentDirectory();

            //Error message for username already existing
            if (CheckUsername(username) == true)
                {
                    MessageBox.Show("Username already exists", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            
            
            
                //Store the new user's username and hashed password in the UserInfo.csv file
                else
                {
                    StoreUserInfo(username, HashPassword(password));
                    MessageBox.Show("User created successfully", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }

            
            }

大家好，这是我的代码，我想第二个密码文本框显示，当我点击注册按钮，然后稍后检查什么是预期的，但当我点击注册程序直接存储用户名和密码我该怎么办，我不能超过这个问题