private void btnDel_Click(object sender, EventArgs e)
{
NhanvienBUL cls = new NhanvienBUL();
NhanvienPublic p = new NhanvienPublic();
HoadonPublic q = new HoadonPublic();
int r = dataGridView1.CurrentCell.RowIndex;
string MaNhanVien = dataGridView1.Rows[r].Cells[0].Value.ToString();
q.Manv = MaNhanVien;
cls.SuaManvtrongHD(q);
p.Manv = MaNhanVien;
cls.XoaNhanvien(p);
frmNhanvien_Load(sender, e);
}
public int SuaManvtrongHD(HoadonPublic q)
{
return(cls.SuaMaNVthanhnull(q));
}
public int SuaMaNVthanhnull(HoadonPublic q)
{
name[0] = "@MANV";
value[0] = q.Manv;
return(cn.Update("update HOADON set MANV = null where MANV=@MANV", name, value, 1));
}
