private void Add_Click(object sender, EventArgs e) { if (Password.Text.Trim() != ConfirmPass.Text.Trim()) { Tip.Text = "两次密码输入不一致,请重新输入"; } else { string uName = UserName.Text.Trim(); string Pass = Password.Text.Trim(); LoginManager loginManager = new LoginManager(); if (loginManager.AddLoginUser(uName, Pass) > 0) { MessageBox.Show("系统提示", "用户添加成功!"); } else { MessageBox.Show("系统提示", "用户添加失败!"); } } }