form1.cs

实现了酒店管理系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace Enterprise
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void 旅客信息管理ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form2 form2 = new Form2();
            form2.Show();
            form2.Left = 200;
            form2.Top = 260;
        }

        private void 飞机票订单管理ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form3 form3 = new Form3();
            form3.Show();
            form3.Left = 200;
            form3.Top = 260;
        }

        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            if (this.treeView1.SelectedNode.Text.ToString() =="旅客信息管理")
            {
                Form2 form2 = new Form2();
                form2.Show();
                form2.Left = 200;
                form2.Top = 260;
                form2.TopMost = true;
            }
            else if (this.treeView1.SelectedNode.Text.ToString() == "飞机票订单管理")
            {
                Form3 form3 = new Form3();
                form3.Show();
                form3.Left = 200;
                form3.Top = 260;
                form3.TopMost = true;
            }
        }
    }
}