{
MessageBox.Show(\用户名或密码错误\); } } } }
private void btnConcel_Click(object sender, EventArgs e) {
if (MessageBox.Show(\确定退出系统吗？\, \提示\,
MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk) == DialogResult.OK) {
Application.Exit(); } } } }
登陆界面如图
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4.2主框架实现
using System;
using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Linq;
using System.Windows.Forms; using System.Data.SqlClient; namespace MrCy {
public partial class frmMain : Form
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{
public frmMain() {
InitializeComponent(); }
public SqlDataReader sdr; public string power; public string Names; public string Times;
private void frmMain_Load(object sender, EventArgs e) {
switch (power) {
case \: toolStripStatusLabel13.Text = \超级管理员\; break;
case \: toolStripStatusLabel13.Text = \经理\; break; case \: toolStripStatusLabel13.Text = \一般用户\; break; }
toolStripStatusLabel10.Text = Names; toolStripStatusLabel16.Text = Times; if (power == \) {
系统维护SToolStripMenuItem.Enabled = false; 基础信息MToolStripMenuItem.Enabled = false; }
if (power == \) {
系统维护SToolStripMenuItem.Enabled = false; } }
private void AddItems(string rzt) {
if (rzt == \使用\) {
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lvDesk.Items.Add(sdr[\].ToString(), 1); } else {
lvDesk.Items.Add(sdr[\].ToString(), 0); } }
private void 开台ToolStripMenuItem_Click(object sender, EventArgs e) {
if (lvDesk.SelectedItems.Count != 0) {
string names = lvDesk.SelectedItems[0].SubItems[0].Text; frmOpen openroom = new frmOpen(); openroom.name = names; openroom.ShowDialog(); } else {
MessageBox.Show(\请选择桌台\); } }
private void frmMain_Activated(object sender, EventArgs e) {
lvDesk.Items.Clear();
SqlConnection conn = BaseClass.DBConn.CyCon(); conn.Open();
SqlCommand cmd = new SqlCommand(\, conn);
sdr = cmd.ExecuteReader(); while (sdr.Read()) {
string zt = sdr[\].ToString().Trim();
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AddItems(zt); }
conn.Close(); }
private void 点菜ToolStripMenuItem_Click(object sender, EventArgs e) {
if (lvDesk.SelectedItems.Count != 0) {
string names = lvDesk.SelectedItems[0].SubItems[0].Text; frmDC dc = new frmDC(); dc.RName = names; dc.ShowDialog(); } else {
MessageBox.Show(\请选择桌台\); } }
private void 消费查询ToolStripMenuItem_Click(object sender, EventArgs e) {
if (lvDesk.SelectedItems.Count != 0) {
string names = lvDesk.SelectedItems[0].SubItems[0].Text; frmSerch serch = new frmSerch(); serch.RName = names; serch.ShowDialog(); } else {
MessageBox.Show(\请选择桌台\); } }
private void 结账ToolStripMenuItem_Click(object sender, EventArgs e)
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