private async void register_click(object sender, EventArgs e) { if (this.password_txtbox.Text != this.confirm_password_txtbox.Text) { this.display_error_message.Text = "两次输入的密码不一致,请重新输入"; this.display_error_message.ForeColor = Color.Red; } else { RegisterDAL register = new RegisterDAL(); ResponseResult result = await register.Register(this.username_txtbox.Text, this.telephone_txtbox.Text, this.password_txtbox.Text); if (result.code == 0) { this.Close(); } else { MessageBox.Show(result.message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }