/Source/1041358_1041376_1041378/1041358_1041376_1041378/frmThemCapNhatHangHangKhong.cs

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using _1041358_1041376_1041378.DAO;

using _1041358_1041376_1041378.DTO;



namespace _1041358_1041376_1041378

{

    public partial class frmThemCapNhatHangHangKhong : Form

    {

        // Khai bao bien thao tac toan cuc

        int ThaoTac = 0;



        // Danh sach ten hang hang khong co trong he thong

        List<string> dsTenHHK = new List<string>();



        public frmThemCapNhatHangHangKhong()

        {

            InitializeComponent();

        }



        private void frmThemCapNhatHangHangKhong_Load(object sender, EventArgs e)

        {

            txtMaHangHangKhong.Enabled = false;

            txtTenHangHangKhong.Enabled = false;

            btnLuu.Enabled = false;

            btnHuy.Visible = false;



            // Luu danh sach ten hang hang khong

            DataTable dt1 = new DataTable();

            dt1 = HangHangKhongDAO.LayDanhSachHangHangKhong();

            

            if (dt1.Rows.Count > 0)

            {

                for (int i = 0; i < dt1.Rows.Count; i++)

                {

                    DataRow dr = dt1.Rows[i];

                    string tenhhk = dr["TenHangHangKhong"].ToString();



                    dsTenHHK.Add(tenhhk);

                }

            }

        }



        // Ki?m tra nh?p li?u t? textbox

        public bool KiemTraDuLieuNhap()

        {

            bool kq = true;

            string tenHangHangKhong=txtTenHangHangKhong.Text;

            if (string.IsNullOrEmpty(tenHangHangKhong) == true)

            {

                MessageBox.Show("Ten Hang Hang Khong Khong Duoc De Trong", "Thong Bao");

                txtTenHangHangKhong.Focus();

                return false;

            }

            if (DTO.HangHangKhongDTO.KiemTraTenHangHangKhong(tenHangHangKhong) == false)

            {

                MessageBox.Show("Ten Hang Hang Khong Khong Hop Le", "Thong Bao");

                txtTenHangHangKhong.Focus();

                return false;

            }

            return kq;

        }



        // Kiem tra ten loai ve nhap vao da co trong he thong chua

        public bool KiemTraDuLieuTrung(string tenHHK)

        {

            foreach (string ten in dsTenHHK)

            {

                if (ten == tenHHK)

                {

                    MessageBox.Show("Ten Hang Hang Khong da co trong he thong ", "Thong bao ");

                    return false;

                }

            }

            return true;

        }



        // Ki?m tra c?p nh?t

        public bool KiemTraCapNhat(string tenBD, string tenSau)

        {

            int i = 0;

            foreach (string ten in dsTenHHK)

            {

                if (ten == tenBD)

                {

                    dsTenHHK.RemoveAt(i);

                    break;

                }

                i++;

            }



            return KiemTraDuLieuTrung(tenSau);

        }



        // Hi?n th? thông tin khi l?u thŕnh công

        public void HienThiThongTin(int chucNang, string tenHHK)

        {

            // Cac button

            ThaoTac = 0;

            btnHuy.Visible = false;

            btnLuu.Enabled = false;

            txtTenHangHangKhong.Enabled = false;



            btnThoat.Visible = true;

            btnThem.Enabled = true;

            btnCapNhat.Enabled = true;



            DataTable dt = new DataTable();

            dt = HangHangKhongDAO.LayDanhSachHHKTheoTen(tenHHK);

            dgvDanhSachHangHangKhong.DataSource = dt;



            if (chucNang == 1)

            {

                dsTenHHK.Add(tenHHK);



            }

            else if (chucNang == 2)

            {

                dsTenHHK.Clear();



                DataTable dt1 = new DataTable();

                dt1 = HangHangKhongDAO.LayDanhSachHangHangKhong();

                dgvDanhSachHangHangKhong.DataSource = dt1;

                if (dt1.Rows.Count > 0)

                {

                    for (int i = 0; i < dt1.Rows.Count; i++)

                    {

                        DataRow dr = dt1.Rows[i];

                        string tenhhk = dr["TenHangHangKhong"].ToString();



                        dsTenHHK.Add(tenhhk);

                    }

                }

            }

        }



        // Lay thong tin tu textbox

        public HangHangKhongDTO LayThongTinHangHangKhong()

        {

            HangHangKhongDTO hhk = new HangHangKhongDTO();

            if (string.IsNullOrEmpty(txtMaHangHangKhong.Text) == false)

            {

                hhk.MaHangHangKhong = int.Parse(txtMaHangHangKhong.Text);

            }

            hhk.TenHangHangKhong = txtTenHangHangKhong.Text;

           

            return hhk;

        }



        private void btnThoat_Click(object sender, EventArgs e)

        {

            this.Close();

        }



        private void btnThem_Click(object sender, EventArgs e)

        {

            ThaoTac = 1;

            // Hi?n thông tin c?a Hang Hang Khong



            this.txtTenHangHangKhong.Enabled = true;

            this.btnLuu.Enabled = true;

            this.btnHuy.Visible = true;



            // ?n

            this.btnThem.Enabled = false;

            this.btnCapNhat.Enabled = false;

            btnThoat.Visible = false;

        }



        private void btnCapNhat_Click(object sender, EventArgs e)

        {

            ThaoTac = 2;

            // Hi?n thông tin c?a Hang Hang Khong



            this.txtTenHangHangKhong.Enabled = true;

            this.btnLuu.Enabled = true;

            this.btnHuy.Visible = true;



            // ?n

            this.btnThem.Enabled = false;

            this.btnCapNhat.Enabled = false;

            this.btnThoat.Visible = false;

        }



        private void btnLuu_Click(object sender, EventArgs e)

        {

            bool kq = false;



            if (KiemTraDuLieuNhap() == true)

            {

                // Lay thong tin Hang Hang Khong tu textbox

                HangHangKhongDTO hhk = new HangHangKhongDTO();

                hhk = LayThongTinHangHangKhong();



                // Thęm 1 Hang Hang Khong

                if (ThaoTac == 1)          // Thęm

                {

                    if (KiemTraDuLieuTrung(txtTenHangHangKhong.Text) == false)

                    {

                        txtTenHangHangKhong.Focus();

                    }

                    else

                    {

                        // G?i hŕm thęm 1 Hang Hang Khong

                        kq = HangHangKhongDAO.Insert(hhk);

                        

                    }

                }

                else

                {

                    // C?p nh?t thông tin Hang Hang Khong

                    if (ThaoTac == 2)

                    {

                        String tenBanDau = dgvDanhSachHangHangKhong.SelectedRows[0].Cells[1].Value.ToString();

                        if (KiemTraCapNhat(tenBanDau, hhk.TenHangHangKhong) == true)

                        {

                            if (tenBanDau.CompareTo(hhk.TenHangHangKhong) == 0)

                            {

                                kq=true;

                            }

                            else

                            {

                                // G?i hŕm th?c thi c?p nh?p

                                kq = HangHangKhongDAO.Update(hhk);

                            }

                        }

                        else

                        {

                            txtTenHangHangKhong.Focus();

                        }

                    }

                }



                if (kq == true)

                {



                    MessageBox.Show("Luu thanh cong ", "Thong bao ");

                    HienThiThongTin(ThaoTac, hhk.TenHangHangKhong);

                }

                else

                {

                    MessageBox.Show("Luu khong thanh cong ", "Thong bao ");

                    txtTenHangHangKhong.Focus();

                }



            }

        }



        private void btnHuy_Click(object sender, EventArgs e)

        {

            txtMaHangHangKhong.Text = "";

            txtTenHangHangKhong.Text = "";



            // ?n thông tin c?a Hang Hang Khong

            this.txtMaHangHangKhong.Enabled = false;

            this.txtTenHangHangKhong.Enabled = false;

            this.btnLuu.Enabled = false;

            this.btnHuy.Visible = false;



            // Hi?n

            this.btnThem.Enabled = true;

            this.btnCapNhat.Enabled = true;

            this.btnThoat.Visible = true;

        }



        private void txtTenHHKTimKiem_TextChanged(object sender, EventArgs e)

        {

            String tenHHK = txtTenHHKTimKiem.Text;

            DataTable dt = new DataTable();

            dt = HangHangKhongDAO.LayDanhSachHHKTheoTen(tenHHK);

            dgvDanhSachHangHangKhong.DataSource = dt;

        }



        private void dgvDanhSachHangHangKhong_SelectionChanged(object sender, EventArgs e)

        {

            if (dgvDanhSachHangHangKhong.SelectedRows.Count > 0)

            {

                txtMaHangHangKhong.Text = dgvDanhSachHangHangKhong.SelectedRows[0].Cells[0].Value.ToString();

                txtTenHangHangKhong.Text = dgvDanhSachHangHangKhong.SelectedRows[0].Cells[1].Value.ToString();

            }

            else

            {

                txtMaHangHangKhong.Text = "";

                txtTenHangHangKhong.Text = "";

            }

        }



       



        



       

    }

}