frmmain.cs

采用C#和SQL Server 2000开发 功能比较全面的酒店管理系统

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

namespace 酒店管理系统
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		internal System.Windows.Forms.MainMenu MainMenu1;
		internal System.Windows.Forms.MenuItem mnBasic;
		internal System.Windows.Forms.MenuItem mnRoomType;
		internal System.Windows.Forms.MenuItem mnRoomInfo;
		internal System.Windows.Forms.MenuItem mnManage;
		internal System.Windows.Forms.MenuItem mnReserve;
		internal System.Windows.Forms.MenuItem mnReside;
		internal System.Windows.Forms.MenuItem mnConsume;
		internal System.Windows.Forms.MenuItem mnCash;
		internal System.Windows.Forms.MenuItem mnRoomState;
		internal System.Windows.Forms.MenuItem mnExit;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.MainMenu1 = new System.Windows.Forms.MainMenu();
			this.mnBasic = new System.Windows.Forms.MenuItem();
			this.mnRoomType = new System.Windows.Forms.MenuItem();
			this.mnRoomInfo = new System.Windows.Forms.MenuItem();
			this.mnManage = new System.Windows.Forms.MenuItem();
			this.mnReserve = new System.Windows.Forms.MenuItem();
			this.mnReside = new System.Windows.Forms.MenuItem();
			this.mnConsume = new System.Windows.Forms.MenuItem();
			this.mnCash = new System.Windows.Forms.MenuItem();
			this.mnRoomState = new System.Windows.Forms.MenuItem();
			this.mnExit = new System.Windows.Forms.MenuItem();
			// 
			// MainMenu1
			// 
			this.MainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.mnBasic,
																					  this.mnManage,
																					  this.mnRoomState,
																					  this.mnExit});
			// 
			// mnBasic
			// 
			this.mnBasic.Index = 0;
			this.mnBasic.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.mnRoomType,
																					this.mnRoomInfo});
			this.mnBasic.Text = "基础设置(&W)";
			// 
			// mnRoomType
			// 
			this.mnRoomType.Index = 0;
			this.mnRoomType.Text = "客房类型设置(&Y)";
			this.mnRoomType.Click += new System.EventHandler(this.mnRoomType_Click);
			// 
			// mnRoomInfo
			// 
			this.mnRoomInfo.Index = 1;
			this.mnRoomInfo.Text = "客房信息设置(&Z)";
			this.mnRoomInfo.Click += new System.EventHandler(this.mnRoomInfo_Click);
			// 
			// mnManage
			// 
			this.mnManage.Index = 1;
			this.mnManage.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					 this.mnReserve,
																					 this.mnReside,
																					 this.mnConsume,
																					 this.mnCash});
			this.mnManage.Text = "业务管理(&X)";
			// 
			// mnReserve
			// 
			this.mnReserve.Index = 0;
			this.mnReserve.Text = "预订管理(&W)";
			this.mnReserve.Click += new System.EventHandler(this.mnReserve_Click);
			// 
			// mnReside
			// 
			this.mnReside.Index = 1;
			this.mnReside.Text = "入住管理(&X)";
			this.mnReside.Click += new System.EventHandler(this.mnReside_Click);
			// 
			// mnConsume
			// 
			this.mnConsume.Index = 2;
			this.mnConsume.Text = "消费记帐(&Y)";
			this.mnConsume.Click += new System.EventHandler(this.mnConsume_Click);
			// 
			// mnCash
			// 
			this.mnCash.Index = 3;
			this.mnCash.Text = "收银退房(&Z)";
			this.mnCash.Click += new System.EventHandler(this.mnCash_Click);
			// 
			// mnRoomState
			// 
			this.mnRoomState.Index = 2;
			this.mnRoomState.Text = "房态管理(&Y)";
			this.mnRoomState.Click += new System.EventHandler(this.mnRoomState_Click);
			// 
			// mnExit
			// 
			this.mnExit.Index = 3;
			this.mnExit.Text = "退出系统(&Z)";
			this.mnExit.Click += new System.EventHandler(this.mnExit_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(384, 233);
			this.IsMdiContainer = true;
			this.Menu = this.MainMenu1;
			this.Name = "Form1";
			this.Text = "酒店管理系统";

		}
		#endregion

		private bool GetInstanceState( string name )
		{
			// 获得frmMain窗体的子窗体的数量
			int i = this.MdiChildren.Length;
			// 循环判断是否有名为name的子窗体实例
			for ( i = 0; i < this.MdiChildren.Length; i ++ )
			{
				// 存在名为name的子窗体，是子窗体获得焦点并返回true
				this.MdiChildren[ i ].Focus();
				return true;
			}
			// 不存在名为Name的子窗体false
			return false;
		}

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void mnRoomType_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "frmRoomType" ) )
				return;
			frmRoomType childFrm = new frmRoomType();
			childFrm.MdiParent = this;
			childFrm.Show();		
		}

		private void mnRoomInfo_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "frmRoomInfo" ) )
				return;
			frmRoomInfo childFrm = new frmRoomInfo();
			childFrm.MdiParent = this;
			childFrm.Show();
		}

		private void mnReserve_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "frmReserve" ) )
				return;
			frmReserve childFrm = new frmReserve();
			childFrm.MdiParent = this;
			childFrm.Show();
		}

		private void mnReside_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "frmReside" ) )
				return;
			frmReside childFrm = new frmReside();
			childFrm.MdiParent = this;
			childFrm.Show();
		}

		private void mnConsume_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "frmConsume" ) )
				return;
			frmConsume childFrm = new frmConsume();
			childFrm.MdiParent = this;
			childFrm.Show();
		}

		private void mnCash_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "" ) )
				return;
			frmCash childFrm = new frmCash();
			childFrm.MdiParent = this;
			childFrm.Show();
		}

		private void mnRoomState_Click(object sender, System.EventArgs e)
		{
			if ( GetInstanceState( "frmRoomState" ) )
				return;
			frmRoomState childFrm = new frmRoomState();
			childFrm.MdiParent = this;
			childFrm.Show();
		}

		private void mnExit_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}