private void cboTimDiaChi_Click(object sender, EventArgs e)
{
cboTimDiaChi.SelectionStart = cboTimDiaChi.Text.Length;
BUS_tblGiaovien busGv = new BUS_tblGiaovien();
DataTable tb = busGv.getField("DiaChi");
cboTimDiaChi.Items.Clear();
cboTimDiaChi.Items.Add("Tất cả");
for (int i = 0; i < tb.Rows.Count; i++)
{
cboTimDiaChi.Items.Add(tb.Rows[i]["DiaChi"].ToString());
}
}
