void UpdateListForm_Load(object sender, EventArgs e)
{
//MessageBox.Show("OK");
this.cboHang.DataSource = business.GetManufactures();
this.cboHang.DisplayMember = "Name";
this.cboHang.ValueMember = "ID";
Xe xe = business.GetBike(this.bienSo);
this.txtbienSo.Text = xe.License_Plates;
this.txtTenxe.Text = xe.Name;
this.cboHang.SelectedValue = xe.Manufacture;
this.dtpGui.Value = xe.Time_Parking;
}
void CreateForm_Load(object sender, EventArgs e)
{
this.cboHangxe.DataSource = business.GetManufactures();
this.cboHangxe.DisplayMember = "Name";
this.cboHangxe.ValueMember = "ID";
}