private void SignUpButton_Click(object sender, EventArgs e)
 {
     UserAccount.Email    = emailTextBox.Text;
     UserAccount.UserName = userNameTextBox.Text;
     UserAccount.Password = passwordTextBox.Text;
     if (!_signUpManager.IsPasswordUnique())
     {
         messageLabel.Text = "Password is Duplicate";
         return;
     }
     if (_signUpManager.IsUserAccountCreated())
     {
         this.Hide();
         LoginUi loginUi = new LoginUi();
         loginUi.Show();
     }
     else
     {
         messageLabel.Text = "Not Created";
     }
 }