Tạo phím tắt cho phần mềm Quản lý quán cafe với C# Winform

Không có gì tuyệt vời hơn là luyện tập với ví dụ thực tế. Nào cùng nhau thử thách bản thân với phần mềm: Quản lý quán cafe

Bạn nên có kiến thức về:

• Lập trình Winform cơ bản
• Delegate – Event
• SQL server
• Xử lý ngày tháng năm

Code fTableManager.cs

using QuanLyQuanCafe.DAO;
using QuanLyQuanCafe.DTO;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace QuanLyQuanCafe
{
    public partial class fTableManager : Form
    {
        private Account loginAccount;

        public Account LoginAccount
        {
            get { return loginAccount; }
            set { loginAccount = value; ChangeAccount(loginAccount.Type); }
        }
        public fTableManager(Account acc)
        {
            InitializeComponent();

            this.LoginAccount = acc;

            LoadTable();
            LoadCategory();
            LoadComboboxTable(cbSwitchTable);
        }

        #region Method

        void ChangeAccount(int type)
        {
            adminToolStripMenuItem.Enabled = type == 1;
            thôngTinTàiKhoảnToolStripMenuItem.Text += " (" + LoginAccount.DisplayName + ")";
        }
        void LoadCategory()
        {
            List<Category> listCategory = CategoryDAO.Instance.GetListCategory();
            cbCategory.DataSource = listCategory;
            cbCategory.DisplayMember = "Name";
        }

        void LoadFoodListByCategoryID(int id)
        {
            List<Food> listFood = FoodDAO.Instance.GetFoodByCategoryID(id);
            cbFood.DataSource = listFood;
            cbFood.DisplayMember = "Name";
        }
        void LoadTable()
        {
            flpTable.Controls.Clear();
            
            List<Table> tableList = TableDAO.Instance.LoadTableList();

            foreach (Table item in tableList)
            {
                Button btn = new Button() { Width = TableDAO.TableWidth, Height = TableDAO.TableHeight};
                btn.Text = item.Name + Environment.NewLine + item.Status;
                btn.Click += btn_Click;
                btn.Tag = item;

                switch (item.Status)
                {
                    case "Trống":
                        btn.BackColor = Color.Aqua;
                        break;
                    default:
                        btn.BackColor = Color.LightPink;
                        break;
                }

                flpTable.Controls.Add(btn);
            }
        }

        void ShowBill(int id)
        {
            lsvBill.Items.Clear();
            List<QuanLyQuanCafe.DTO.Menu> listBillInfo = MenuDAO.Instance.GetListMenuByTable(id);
            float totalPrice = 0;
            foreach (QuanLyQuanCafe.DTO.Menu item in listBillInfo)
            {
                ListViewItem lsvItem = new ListViewItem(item.FoodName.ToString());
                lsvItem.SubItems.Add(item.Count.ToString());
                lsvItem.SubItems.Add(item.Price.ToString());
                lsvItem.SubItems.Add(item.TotalPrice.ToString());
                totalPrice += item.TotalPrice;
                lsvBill.Items.Add(lsvItem);
            }
            CultureInfo culture = new CultureInfo("vi-VN");

            //Thread.CurrentThread.CurrentCulture = culture;

            txbTotalPrice.Text = totalPrice.ToString("c", culture);

        }

        void LoadComboboxTable(ComboBox cb)
        {
            cb.DataSource = TableDAO.Instance.LoadTableList();
            cb.DisplayMember = "Name";
        }

        #endregion


        #region Events

        private void thanhToánToolStripMenuItem_Click(object sender, EventArgs e)
        {
            btnCheckOut_Click(this, new EventArgs());
        }

        private void thêmMónToolStripMenuItem_Click(object sender, EventArgs e)
        {
            btnAddFood_Click(this, new EventArgs());
        }

        void btn_Click(object sender, EventArgs e)
        {
            int tableID = ((sender as Button).Tag as Table).ID;
            lsvBill.Tag = (sender as Button).Tag;
            ShowBill(tableID);
        }
        private void đăngXuấtToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void thôngTinCáNhânToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fAccountProfile f = new fAccountProfile(LoginAccount);
            f.UpdateAccount += f_UpdateAccount;
            f.ShowDialog();
        }

        void f_UpdateAccount(object sender, AccountEvent e)
        {
            thôngTinTàiKhoảnToolStripMenuItem.Text = "Thông tin tài khoản (" + e.Acc.DisplayName + ")";
        }

        private void adminToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fAdmin f = new fAdmin();
            f.loginAccount = LoginAccount;
            f.InsertFood += f_InsertFood;
            f.DeleteFood += f_DeleteFood;
            f.UpdateFood += f_UpdateFood;
            f.ShowDialog();
        }

        void f_UpdateFood(object sender, EventArgs e)
        {
            LoadFoodListByCategoryID((cbCategory.SelectedItem as Category).ID);
            if (lsvBill.Tag != null)
                ShowBill((lsvBill.Tag as Table).ID);
        }

        void f_DeleteFood(object sender, EventArgs e)
        {
            LoadFoodListByCategoryID((cbCategory.SelectedItem as Category).ID);
            if (lsvBill.Tag != null)
                ShowBill((lsvBill.Tag as Table).ID);
            LoadTable();
        }

        void f_InsertFood(object sender, EventArgs e)
        {
            LoadFoodListByCategoryID((cbCategory.SelectedItem as Category).ID);
            if (lsvBill.Tag != null)
                ShowBill((lsvBill.Tag as Table).ID);
        }

        private void cbCategory_SelectedIndexChanged(object sender, EventArgs e)
        {
            int id = 0;

            ComboBox cb = sender as ComboBox;

            if (cb.SelectedItem == null)
                return;

            Category selected = cb.SelectedItem as Category;
            id = selected.ID;

            LoadFoodListByCategoryID(id);
        }

        private void btnAddFood_Click(object sender, EventArgs e)
        {
            Table table = lsvBill.Tag as Table;

            if (table == null)
            {
                MessageBox.Show("Hãy chọn bàn");
                return;
            }

            int idBill = BillDAO.Instance.GetUncheckBillIDByTableID(table.ID);
            int foodID = (cbFood.SelectedItem as Food).ID;
            int count = (int)nmFoodCount.Value;

            if (idBill == -1)
            {
                BillDAO.Instance.InsertBill(table.ID);
                BillInfoDAO.Instance.InsertBillInfo(BillDAO.Instance.GetMaxIDBill(), foodID , count);
            }
            else
            {
                BillInfoDAO.Instance.InsertBillInfo(idBill, foodID, count);
            }

            ShowBill(table.ID);

            LoadTable();
        }        
        private void btnCheckOut_Click(object sender, EventArgs e)
        {
            Table table = lsvBill.Tag as Table;

            int idBill = BillDAO.Instance.GetUncheckBillIDByTableID(table.ID);
            int discount = (int)nmDisCount.Value;

            double totalPrice = Convert.ToDouble(txbTotalPrice.Text.Split(',')[0]);
            double finalTotalPrice = totalPrice - (totalPrice/100)*discount;

            if (idBill != -1)
            {
                if (MessageBox.Show(string.Format("Bạn có chắc thanh toán hóa đơn cho bàn {0}\nTổng tiền - (Tổng tiền / 100) x Giảm giá\n=> {1} - ({1} / 100) x {2} = {3}",table.Name, totalPrice, discount, finalTotalPrice), "Thông báo", MessageBoxButtons.OKCancel) == System.Windows.Forms.DialogResult.OK)
                {
                    BillDAO.Instance.CheckOut(idBill, discount, (float)finalTotalPrice);
                    ShowBill(table.ID);

                    LoadTable();
                }
            }
        }
        private void btnSwitchTable_Click(object sender, EventArgs e)
        {           

            int id1 = (lsvBill.Tag as Table).ID;

            int id2 = (cbSwitchTable.SelectedItem as Table).ID;
            if (MessageBox.Show(string.Format("Bạn có thật sự muốn chuyển bàn {0} qua bàn {1}", (lsvBill.Tag as Table).Name, (cbSwitchTable.SelectedItem as Table).Name), "Thông báo", MessageBoxButtons.OKCancel) == System.Windows.Forms.DialogResult.OK)
            {
                TableDAO.Instance.SwitchTable(id1, id2);

                LoadTable();
            }
        }

        #endregion        


    }
}

Code fTableManager.Designer.cs

namespace QuanLyQuanCafe
{
    partial class fTableManager
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.menuStrip1 = new System.Windows.Forms.MenuStrip();
            this.adminToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.thôngTinTàiKhoảnToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.thôngTinCáNhânToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.đăngXuấtToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.panel2 = new System.Windows.Forms.Panel();
            this.lsvBill = new System.Windows.Forms.ListView();
            this.columnHeader1 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
            this.columnHeader2 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
            this.columnHeader3 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
            this.columnHeader4 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
            this.panel3 = new System.Windows.Forms.Panel();
            this.txbTotalPrice = new System.Windows.Forms.TextBox();
            this.cbSwitchTable = new System.Windows.Forms.ComboBox();
            this.btnSwitchTable = new System.Windows.Forms.Button();
            this.nmDisCount = new System.Windows.Forms.NumericUpDown();
            this.btnCheckOut = new System.Windows.Forms.Button();
            this.panel4 = new System.Windows.Forms.Panel();
            this.nmFoodCount = new System.Windows.Forms.NumericUpDown();
            this.btnAddFood = new System.Windows.Forms.Button();
            this.cbFood = new System.Windows.Forms.ComboBox();
            this.cbCategory = new System.Windows.Forms.ComboBox();
            this.flpTable = new System.Windows.Forms.FlowLayoutPanel();
            this.chứcNăngToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.thanhToánToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.thêmMónToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
            this.menuStrip1.SuspendLayout();
            this.panel2.SuspendLayout();
            this.panel3.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.nmDisCount)).BeginInit();
            this.panel4.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.nmFoodCount)).BeginInit();
            this.SuspendLayout();
            // 
            // menuStrip1
            // 
            this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.adminToolStripMenuItem,
            this.thôngTinTàiKhoảnToolStripMenuItem,
            this.chứcNăngToolStripMenuItem});
            this.menuStrip1.Location = new System.Drawing.Point(0, 0);
            this.menuStrip1.Name = "menuStrip1";
            this.menuStrip1.Size = new System.Drawing.Size(797, 24);
            this.menuStrip1.TabIndex = 1;
            this.menuStrip1.Text = "menuStrip1";
            // 
            // adminToolStripMenuItem
            // 
            this.adminToolStripMenuItem.Name = "adminToolStripMenuItem";
            this.adminToolStripMenuItem.Size = new System.Drawing.Size(55, 20);
            this.adminToolStripMenuItem.Text = "Admin";
            this.adminToolStripMenuItem.Click += new System.EventHandler(this.adminToolStripMenuItem_Click);
            // 
            // thôngTinTàiKhoảnToolStripMenuItem
            // 
            this.thôngTinTàiKhoảnToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.thôngTinCáNhânToolStripMenuItem,
            this.đăngXuấtToolStripMenuItem});
            this.thôngTinTàiKhoảnToolStripMenuItem.Name = "thôngTinTàiKhoảnToolStripMenuItem";
            this.thôngTinTàiKhoảnToolStripMenuItem.Size = new System.Drawing.Size(123, 20);
            this.thôngTinTàiKhoảnToolStripMenuItem.Text = "Thông tin tài khoản";
            // 
            // thôngTinCáNhânToolStripMenuItem
            // 
            this.thôngTinCáNhânToolStripMenuItem.Name = "thôngTinCáNhânToolStripMenuItem";
            this.thôngTinCáNhânToolStripMenuItem.Size = new System.Drawing.Size(171, 22);
            this.thôngTinCáNhânToolStripMenuItem.Text = "Thông tin cá nhân";
            this.thôngTinCáNhânToolStripMenuItem.Click += new System.EventHandler(this.thôngTinCáNhânToolStripMenuItem_Click);
            // 
            // đăngXuấtToolStripMenuItem
            // 
            this.đăngXuấtToolStripMenuItem.Name = "đăngXuấtToolStripMenuItem";
            this.đăngXuấtToolStripMenuItem.Size = new System.Drawing.Size(171, 22);
            this.đăngXuấtToolStripMenuItem.Text = "Đăng xuất";
            this.đăngXuấtToolStripMenuItem.Click += new System.EventHandler(this.đăngXuấtToolStripMenuItem_Click);
            // 
            // panel2
            // 
            this.panel2.Controls.Add(this.lsvBill);
            this.panel2.Location = new System.Drawing.Point(447, 85);
            this.panel2.Name = "panel2";
            this.panel2.Size = new System.Drawing.Size(338, 315);
            this.panel2.TabIndex = 2;
            // 
            // lsvBill
            // 
            this.lsvBill.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
            this.columnHeader1,
            this.columnHeader2,
            this.columnHeader3,
            this.columnHeader4});
            this.lsvBill.GridLines = true;
            this.lsvBill.Location = new System.Drawing.Point(3, 3);
            this.lsvBill.Name = "lsvBill";
            this.lsvBill.Size = new System.Drawing.Size(332, 309);
            this.lsvBill.TabIndex = 0;
            this.lsvBill.UseCompatibleStateImageBehavior = false;
            this.lsvBill.View = System.Windows.Forms.View.Details;
            // 
            // columnHeader1
            // 
            this.columnHeader1.Text = "Tên món";
            this.columnHeader1.Width = 133;
            // 
            // columnHeader2
            // 
            this.columnHeader2.Text = "Số lượng";
            // 
            // columnHeader3
            // 
            this.columnHeader3.Text = "Đơn giá";
            this.columnHeader3.Width = 54;
            // 
            // columnHeader4
            // 
            this.columnHeader4.Text = "Thành tiền";
            this.columnHeader4.Width = 81;
            // 
            // panel3
            // 
            this.panel3.Controls.Add(this.txbTotalPrice);
            this.panel3.Controls.Add(this.cbSwitchTable);
            this.panel3.Controls.Add(this.btnSwitchTable);
            this.panel3.Controls.Add(this.nmDisCount);
            this.panel3.Controls.Add(this.btnCheckOut);
            this.panel3.Location = new System.Drawing.Point(447, 406);
            this.panel3.Name = "panel3";
            this.panel3.Size = new System.Drawing.Size(338, 52);
            this.panel3.TabIndex = 3;
            // 
            // txbTotalPrice
            // 
            this.txbTotalPrice.Font = new System.Drawing.Font("Arial", 11.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(163)));
            this.txbTotalPrice.ForeColor = System.Drawing.Color.OrangeRed;
            this.txbTotalPrice.Location = new System.Drawing.Point(164, 3);
            this.txbTotalPrice.Name = "txbTotalPrice";
            this.txbTotalPrice.ReadOnly = true;
            this.txbTotalPrice.Size = new System.Drawing.Size(90, 25);
            this.txbTotalPrice.TabIndex = 7;
            this.txbTotalPrice.Text = "0";
            this.txbTotalPrice.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
            // 
            // cbSwitchTable
            // 
            this.cbSwitchTable.FormattingEnabled = true;
            this.cbSwitchTable.Location = new System.Drawing.Point(3, 28);
            this.cbSwitchTable.Name = "cbSwitchTable";
            this.cbSwitchTable.Size = new System.Drawing.Size(75, 21);
            this.cbSwitchTable.TabIndex = 6;
            // 
            // btnSwitchTable
            // 
            this.btnSwitchTable.Location = new System.Drawing.Point(3, 3);
            this.btnSwitchTable.Name = "btnSwitchTable";
            this.btnSwitchTable.Size = new System.Drawing.Size(75, 26);
            this.btnSwitchTable.TabIndex = 5;
            this.btnSwitchTable.Text = "Chuyển bàn";
            this.btnSwitchTable.UseVisualStyleBackColor = true;
            this.btnSwitchTable.Click += new System.EventHandler(this.btnSwitchTable_Click);
            // 
            // nmDisCount
            // 
            this.nmDisCount.Location = new System.Drawing.Point(164, 29);
            this.nmDisCount.Name = "nmDisCount";
            this.nmDisCount.Size = new System.Drawing.Size(90, 20);
            this.nmDisCount.TabIndex = 4;
            this.nmDisCount.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
            // 
            // btnCheckOut
            // 
            this.btnCheckOut.Location = new System.Drawing.Point(260, 3);
            this.btnCheckOut.Name = "btnCheckOut";
            this.btnCheckOut.Size = new System.Drawing.Size(75, 46);
            this.btnCheckOut.TabIndex = 3;
            this.btnCheckOut.Text = "Thanh toán";
            this.btnCheckOut.UseVisualStyleBackColor = true;
            this.btnCheckOut.Click += new System.EventHandler(this.btnCheckOut_Click);
            // 
            // panel4
            // 
            this.panel4.Controls.Add(this.nmFoodCount);
            this.panel4.Controls.Add(this.btnAddFood);
            this.panel4.Controls.Add(this.cbFood);
            this.panel4.Controls.Add(this.cbCategory);
            this.panel4.Location = new System.Drawing.Point(447, 27);
            this.panel4.Name = "panel4";
            this.panel4.Size = new System.Drawing.Size(338, 52);
            this.panel4.TabIndex = 4;
            // 
            // nmFoodCount
            // 
            this.nmFoodCount.Location = new System.Drawing.Point(296, 19);
            this.nmFoodCount.Minimum = new decimal(new int[] {
            100,
            0,
            0,
            -2147483648});
            this.nmFoodCount.Name = "nmFoodCount";
            this.nmFoodCount.Size = new System.Drawing.Size(39, 20);
            this.nmFoodCount.TabIndex = 3;
            this.nmFoodCount.Value = new decimal(new int[] {
            1,
            0,
            0,
            0});
            // 
            // btnAddFood
            // 
            this.btnAddFood.Location = new System.Drawing.Point(214, 3);
            this.btnAddFood.Name = "btnAddFood";
            this.btnAddFood.Size = new System.Drawing.Size(75, 46);
            this.btnAddFood.TabIndex = 2;
            this.btnAddFood.Text = "Thêm món";
            this.btnAddFood.UseVisualStyleBackColor = true;
            this.btnAddFood.Click += new System.EventHandler(this.btnAddFood_Click);
            // 
            // cbFood
            // 
            this.cbFood.FormattingEnabled = true;
            this.cbFood.Location = new System.Drawing.Point(3, 28);
            this.cbFood.Name = "cbFood";
            this.cbFood.Size = new System.Drawing.Size(205, 21);
            this.cbFood.TabIndex = 1;
            // 
            // cbCategory
            // 
            this.cbCategory.FormattingEnabled = true;
            this.cbCategory.Location = new System.Drawing.Point(3, 3);
            this.cbCategory.Name = "cbCategory";
            this.cbCategory.Size = new System.Drawing.Size(205, 21);
            this.cbCategory.TabIndex = 0;
            this.cbCategory.SelectedIndexChanged += new System.EventHandler(this.cbCategory_SelectedIndexChanged);
            // 
            // flpTable
            // 
            this.flpTable.AutoScroll = true;
            this.flpTable.Location = new System.Drawing.Point(12, 30);
            this.flpTable.Name = "flpTable";
            this.flpTable.Size = new System.Drawing.Size(429, 428);
            this.flpTable.TabIndex = 5;
            // 
            // chứcNăngToolStripMenuItem
            // 
            this.chứcNăngToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.thanhToánToolStripMenuItem,
            this.thêmMónToolStripMenuItem});
            this.chứcNăngToolStripMenuItem.Name = "chứcNăngToolStripMenuItem";
            this.chứcNăngToolStripMenuItem.Size = new System.Drawing.Size(77, 20);
            this.chứcNăngToolStripMenuItem.Text = "Chức năng";
            // 
            // thanhToánToolStripMenuItem
            // 
            this.thanhToánToolStripMenuItem.Name = "thanhToánToolStripMenuItem";
            this.thanhToánToolStripMenuItem.ShortcutKeys = ((System.Windows.Forms.Keys)((System.Windows.Forms.Keys.Control | System.Windows.Forms.Keys.C)));
            this.thanhToánToolStripMenuItem.Size = new System.Drawing.Size(177, 22);
            this.thanhToánToolStripMenuItem.Text = "Thanh toán";
            this.thanhToánToolStripMenuItem.Click += new System.EventHandler(this.thanhToánToolStripMenuItem_Click);
            // 
            // thêmMónToolStripMenuItem
            // 
            this.thêmMónToolStripMenuItem.Name = "thêmMónToolStripMenuItem";
            this.thêmMónToolStripMenuItem.ShortcutKeys = ((System.Windows.Forms.Keys)((System.Windows.Forms.Keys.Control | System.Windows.Forms.Keys.V)));
            this.thêmMónToolStripMenuItem.Size = new System.Drawing.Size(177, 22);
            this.thêmMónToolStripMenuItem.Text = "Thêm món";
            this.thêmMónToolStripMenuItem.Click += new System.EventHandler(this.thêmMónToolStripMenuItem_Click);
            // 
            // fTableManager
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(797, 470);
            this.Controls.Add(this.flpTable);
            this.Controls.Add(this.panel4);
            this.Controls.Add(this.panel3);
            this.Controls.Add(this.panel2);
            this.Controls.Add(this.menuStrip1);
            this.MainMenuStrip = this.menuStrip1;
            this.Name = "fTableManager";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "Phần mềm quản lý quán cafe";
            this.menuStrip1.ResumeLayout(false);
            this.menuStrip1.PerformLayout();
            this.panel2.ResumeLayout(false);
            this.panel3.ResumeLayout(false);
            this.panel3.PerformLayout();
            ((System.ComponentModel.ISupportInitialize)(this.nmDisCount)).EndInit();
            this.panel4.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(this.nmFoodCount)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.MenuStrip menuStrip1;
        private System.Windows.Forms.ToolStripMenuItem adminToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem thôngTinTàiKhoảnToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem thôngTinCáNhânToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem đăngXuấtToolStripMenuItem;
        private System.Windows.Forms.Panel panel2;
        private System.Windows.Forms.ListView lsvBill;
        private System.Windows.Forms.Panel panel3;
        private System.Windows.Forms.Panel panel4;
        private System.Windows.Forms.NumericUpDown nmFoodCount;
        private System.Windows.Forms.Button btnAddFood;
        private System.Windows.Forms.ComboBox cbFood;
        private System.Windows.Forms.ComboBox cbCategory;
        private System.Windows.Forms.ComboBox cbSwitchTable;
        private System.Windows.Forms.Button btnSwitchTable;
        private System.Windows.Forms.NumericUpDown nmDisCount;
        private System.Windows.Forms.Button btnCheckOut;
        private System.Windows.Forms.FlowLayoutPanel flpTable;
        private System.Windows.Forms.ColumnHeader columnHeader1;
        private System.Windows.Forms.ColumnHeader columnHeader2;
        private System.Windows.Forms.ColumnHeader columnHeader3;
        private System.Windows.Forms.ColumnHeader columnHeader4;
        private System.Windows.Forms.TextBox txbTotalPrice;
        private System.Windows.Forms.ToolStripMenuItem chứcNăngToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem thanhToánToolStripMenuItem;
        private System.Windows.Forms.ToolStripMenuItem thêmMónToolStripMenuItem;
    }
}

Bài sau chúng ta sẽ cùng nhau tìm hiểu cách phân trang cho hóa đơn.

Đừng quên: “Luyện tập – Thử thách – Không ngại khó”

---

Thảo luận

Nếu bạn có bất kỳ khó khăn hay thắc mắc gì về khóa học, đừng ngần ngại đặt câu hỏi trong phần BÌNH LUẬN bên dưới hoặc trong mục HỎI & ĐÁP trên thư viện Howkteam.com để nhận được sự hỗ trợ từ cộng đồng.