为什么她说我的“Login”未能找到类型或命名空间（是否缺少using指令或程序集引用这是什么原因?）我应该怎么改啊

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace qizhongtu
{
public partial class MainFrm : Form
{
private bool isLogined = false;
private Login orm;

    public object Login { get; private set; }

    public MainFrm()
    {
        InitializeComponent();
    }

    private void Form1_Load(object sender, EventArgs e)
    {

    }

    private void btnYes_Click(object sender, EventArgs e)
    {
        string userName = txtName.Text;

        string password = txtPwd.Text;

        string connString = @"Data Source=.\ sqlexpress; Initial Catalog=qizhongtu;Integrated Security=true";

        SqlConnection conn = new SqlConnection(connString);

        string sql = String.Format("select count (*) from [User] where UserName = ' (0)' and password = ' (1)'", userName, password);

        try
        {
            conn.Open();

            SqlCommand comm = new SqlCommand(sql, conn);

            //创建Command对象

            int n = (int)comm.ExecuteScalar();

            //执行查询语句，返回匹配的行数

            if (n == 1)
            {

                this.DialogResult = DialogResult.OK;
                this.Tag = true;//登录成功并记录
            }

            else
            {
                MessageBox.Show("您输人的用户名或密码错误!请重试", "登录失败", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

                this.Tag = false; // 登录失败并记录
            }
        }

        catch (Exception ex)
        {

            MessageBox.Show(ex.Message, "操作数据库出错!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            this.Tag = false;
        }

        finally

        {
       

Answer 1

object Login 中object表示的是类型层次的根，Login只是一个object类型的对象。
所以你应该在你现在这个类的外面定义一个Login类。
public class Login
{
}