private void BtnTim_Click(object sender, EventArgs e)
{
DataTable dtt;
dtt = new DataTable();
dtt.Clear();
dtt = dbKho.ThongKeHangHoaTheoKho(cbMaKho.Text);
DvgKho.DataSource = dtt;
txtDiaChi.Text = "";
txtMaCN.Text = "";
txtMaKho.Text = "";
txtTenKho.Text = "";
DvgKho.Enabled = false;
DvgKho.Rows[0].Selected = false;
this.btnSua.Enabled = false;
this.btnTaiLai.Enabled = true;
this.btnThem.Enabled = false;
this.btnTroVe.Enabled = true;
this.btnXoa.Enabled = false;
}
