private void HienThiPhieuXuat()
{
dgvPhieuXuat.DataSource = pxbll.ShowListPhieuXuat();
dgvCTPX.DataSource = pxbll.ShowListCTPX();
cboMaKh.DataSource = pxbll.ShowMaKhachHang();
cboTenKh.DataSource = pxbll.ShowTenKhachHang();
cboMaSp.DataSource = pxbll.ShowMaSanPham();
cboMaDh.DataSource = pxbll.ShowMaDonHang();
cboSoLuongXuat.DataSource = pxbll.ShowSoLuongDatHang();
txtMaNv.Text = UserInfo.Id.ToString();
cboMaSp.Enabled = false;
txtMaNv.Enabled = false;
txtMaPx.Enabled = false;
// Căn chỉnh các columns trong DataGridView
dgvPhieuXuat.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
dgvCTPX.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
}
