private void dvPhieunhap_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex == dvPhieunhap.Columns["col_xoaPN"].Index)
            {
                // int pn = dvPhieunhap.datakeys Rows[e.RowIndex];
                int pn = Int32.Parse(dvPhieunhap.Rows[e.RowIndex].Cells[0].Value.ToString());
                if (DialogResult.Yes == MessageBox.Show("Bạn có muốn xóa không!", "Lưu ý", MessageBoxButtons.YesNo))
                {
                    try
                    {
                        svnh.XoaPN(pn);
                        //pn.Delete();
                        dvPhieunhap.DataSource = null;
                        dvPhieunhap.DataSource = svnh.All();
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show("Không xóa được: " + ex.Message, "Loi");
                    }
                }
            }
            else if
                (e.ColumnIndex == dvPhieunhap.Columns["col_xemChiTiet"].Index)
            {
                int pn = Int32.Parse(dvPhieunhap.Rows[e.RowIndex].Cells[0].Value.ToString());
                DateTime pn1 = DateTime.Parse(dvPhieunhap.Rows[e.RowIndex].Cells[1].Value.ToString());
                _mapn = pn;
                _ngay = pn1;
                FormCTNhapHang frm = new FormCTNhapHang();

                this.Close();
                frm.Show();
            }
        }
        private void dvPhieunhap_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex == dvPhieunhap.Columns["col_xoaPN"].Index)
            {
                // int pn = dvPhieunhap.datakeys Rows[e.RowIndex];
                int pn = Int32.Parse(dvPhieunhap.Rows[e.RowIndex].Cells[0].Value.ToString());
                if (DialogResult.Yes == MessageBox.Show("Bạn có muốn xóa không!", "Lưu ý", MessageBoxButtons.YesNo))
                {
                    try
                    {
                        svnh.XoaPN(pn);
                        //pn.Delete();
                        dvPhieunhap.DataSource = null;
                        dvPhieunhap.DataSource = svnh.All();
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show("Không xóa được: " + ex.Message, "Loi");
                    }
                }
            }
            else if
            (e.ColumnIndex == dvPhieunhap.Columns["col_xemChiTiet"].Index)
            {
                int      pn  = Int32.Parse(dvPhieunhap.Rows[e.RowIndex].Cells[0].Value.ToString());
                DateTime pn1 = DateTime.Parse(dvPhieunhap.Rows[e.RowIndex].Cells[1].Value.ToString());
                _mapn = pn;
                _ngay = pn1;
                FormCTNhapHang frm = new FormCTNhapHang();

                this.Close();
                frm.Show();
            }
        }
 private void btnThemMoi_Click(object sender, EventArgs e)
 {
     this.Close();
     _mapn = 0;
     FormCTNhapHang ctnh = new FormCTNhapHang();
     ctnh.Show();
 }
        private void btnThemMoi_Click(object sender, EventArgs e)
        {
            this.Close();
            _mapn = 0;
            FormCTNhapHang ctnh = new FormCTNhapHang();

            ctnh.Show();
        }