frmmain.cs

进存销系统..适合书店的进销存..功能可以满足一般的需求.很简单

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Microsoft.Win32;
using System.IO;

namespace BookStore.Forms
{
    public class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }

        private string Vision;

        private MenuStrip mnuMain;
        private ToolStripMenuItem 采购管理ToolStripMenuItem;
        private ToolStripMenuItem 采购进货ToolStripMenuItem;
        private ToolStripMenuItem 采购退货ToolStripMenuItem;
        private ToolStripMenuItem 库存管理ToolStripMenuItem;
        private ToolStripMenuItem 库存查看ToolStripMenuItem;
        private ToolStripMenuItem 商品利润ToolStripMenuItem;
        private ToolStripMenuItem 利润统计ToolStripMenuItem;
        private ToolStripMenuItem 经营收益ToolStripMenuItem;
        private ToolStripMenuItem 人员管理ToolStripMenuItem;
        private ToolStripMenuItem 用户权限管理ToolStripMenuItem;
        private ToolStripMenuItem 客户管理ToolStripMenuItem;
        private ToolStripMenuItem 供应商管理ToolStripMenuItem;
        private ToolStripMenuItem 销售统计ToolStripMenuItem;
        private ToolStripMenuItem 月销售统计ToolStripMenuItem;
        private ToolStripMenuItem 员工销售统计ToolStripMenuItem;
        private ToolStripMenuItem 数据管理ToolStripMenuItem;
        private ToolStripMenuItem 数据备份ToolStripMenuItem;
        private ToolStripMenuItem 数据还原ToolStripMenuItem;
        private ToolStripMenuItem 在线升级ToolStripMenuItem;
        private ToolStripMenuItem 系统版本ToolStripMenuItem;
        private ToolStripMenuItem 检查更新ToolStripMenuItem;
        private ToolStripMenuItem 帮助ToolStripMenuItem;
        private ToolStripMenuItem 关于书店管理ToolStripMenuItem;
        private ToolStripSeparator toolStripSeparator2;
        private ToolStripMenuItem 书店管理帮助ToolStripMenuItem;
        private OpenFileDialog openFileDialog1;
        private ToolStripMenuItem 系统ToolStripMenuItem;
        private ToolStripMenuItem 重新登陆ToolStripMenuItem;
        private ToolStripSeparator toolStripSeparator1;
        private ToolStripMenuItem 修改密码ToolStripMenuItem;
        private ToolStripMenuItem 注销ToolStripMenuItem;
        private ToolStripSeparator 退出ToolStripMenuItem;
        private ToolStripMenuItem 退出ToolStripMenuItem1;
        private StatusStrip statusStrip1;
        private ToolStripStatusLabel StatusLabelUserName;
        private ToolStripStatusLabel StatusVision;
        private ToolStripMenuItem 销售管理ToolStripMenuItem;
        private ToolStripMenuItem 销售ToolStripMenuItem;
        private ToolStripMenuItem 采购单查询ToolStripMenuItem;
        private ToolStripMenuItem 销售退货ToolStripMenuItem;
        private ToolStripMenuItem 销货单查询ToolStripMenuItem;
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            Login login = new Login();
            login.ShowDialog();
            if (login.CanLogin == true)
            {
                Application.Run(new FrmMain());
            }
        }
        
        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (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.mnuMain = new System.Windows.Forms.MenuStrip();
            this.系统ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.重新登陆ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
            this.修改密码ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.注销ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.退出ToolStripMenuItem = new System.Windows.Forms.ToolStripSeparator();
            this.退出ToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
            this.采购管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.采购进货ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.采购退货ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.销售管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.销售ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.库存管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.库存查看ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.商品利润ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.利润统计ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.经营收益ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.人员管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.用户权限管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.客户管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.供应商管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.销售统计ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.月销售统计ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.员工销售统计ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.数据管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.数据备份ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.数据还原ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.在线升级ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.系统版本ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.检查更新ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.帮助ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.关于书店管理ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
            this.书店管理帮助ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
            this.statusStrip1 = new System.Windows.Forms.StatusStrip();
            this.StatusLabelUserName = new System.Windows.Forms.ToolStripStatusLabel();
            this.StatusVision = new System.Windows.Forms.ToolStripStatusLabel();
            this.销货单查询ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.采购单查询ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.销售退货ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.mnuMain.SuspendLayout();
            this.statusStrip1.SuspendLayout();
            this.SuspendLayout();
            // 
            // mnuMain
            // 
            this.mnuMain.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.系统ToolStripMenuItem,
            this.采购管理ToolStripMenuItem,
            this.销售管理ToolStripMenuItem,
            this.库存管理ToolStripMenuItem,
            this.商品利润ToolStripMenuItem,
            this.人员管理ToolStripMenuItem,
            this.销售统计ToolStripMenuItem,
            this.数据管理ToolStripMenuItem,
            this.在线升级ToolStripMenuItem,
            this.帮助ToolStripMenuItem});
            this.mnuMain.Location = new System.Drawing.Point(0, 0);
            this.mnuMain.Name = "mnuMain";
            this.mnuMain.Size = new System.Drawing.Size(931, 24);
            this.mnuMain.TabIndex = 0;
            this.mnuMain.Text = "menuStrip1";
            // 
            // 系统ToolStripMenuItem
            // 
            this.系统ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.重新登陆ToolStripMenuItem,
            this.toolStripSeparator1,
            this.修改密码ToolStripMenuItem,
            this.注销ToolStripMenuItem,
            this.退出ToolStripMenuItem,
            this.退出ToolStripMenuItem1});
            this.系统ToolStripMenuItem.Name = "系统ToolStripMenuItem";
            this.系统ToolStripMenuItem.Size = new System.Drawing.Size(65, 20);
            this.系统ToolStripMenuItem.Text = "系统登录";
            // 
            // 重新登陆ToolStripMenuItem
            // 
            this.重新登陆ToolStripMenuItem.Name = "重新登陆ToolStripMenuItem";
            this.重新登陆ToolStripMenuItem.Size = new System.Drawing.Size(118, 22);
            this.重新登陆ToolStripMenuItem.Text = "重新登陆";
            // 
            // toolStripSeparator1
            // 
            this.toolStripSeparator1.Name = "toolStripSeparator1";
            this.toolStripSeparator1.Size = new System.Drawing.Size(115, 6);
            // 
            // 修改密码ToolStripMenuItem
            // 
            this.修改密码ToolStripMenuItem.Name = "修改密码ToolStripMenuItem";
            this.修改密码ToolStripMenuItem.Size = new System.Drawing.Size(118, 22);
            this.修改密码ToolStripMenuItem.Text = "修改密码";
            // 
            // 注销ToolStripMenuItem
            // 
            this.注销ToolStripMenuItem.Name = "注销ToolStripMenuItem";
            this.注销ToolStripMenuItem.Size = new System.Drawing.Size(118, 22);
            this.注销ToolStripMenuItem.Text = "注销";
            // 
            // 退出ToolStripMenuItem
            // 
            this.退出ToolStripMenuItem.Name = "退出ToolStripMenuItem";
            this.退出ToolStripMenuItem.Size = new System.Drawing.Size(115, 6);
            // 
            // 退出ToolStripMenuItem1
            // 
            this.退出ToolStripMenuItem1.Name = "退出ToolStripMenuItem1";
            this.退出ToolStripMenuItem1.Size = new System.Drawing.Size(118, 22);
            this.退出ToolStripMenuItem1.Text = "退出";
            // 
            // 采购管理ToolStripMenuItem
            // 
            this.采购管理ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.采购进货ToolStripMenuItem,
            this.采购退货ToolStripMenuItem,
            this.采购单查询ToolStripMenuItem});
            this.采购管理ToolStripMenuItem.Enabled = false;
            this.采购管理ToolStripMenuItem.Name = "采购管理ToolStripMenuItem";
            this.采购管理ToolStripMenuItem.Size = new System.Drawing.Size(65, 20);
            this.采购管理ToolStripMenuItem.Text = "采购管理";
            this.采购管理ToolStripMenuItem.Click += new System.EventHandler(this.采购ToolStripMenuItem_Click);