// dang nhap
public List <dangNhapDB> dangnhap(string tk, string mk)
{
List <dangNhapDB> dangnhap = new List <dangNhapDB>();
try
{
SqlConnection cn = new SqlConnection(ketnoi.cn);
cn.Open();
string sql = "select * from dang_nhap where ten_dang_nhap = '" + tk + "' and mat_khau = '" + mk + "'";
SqlCommand cmd = new SqlCommand(sql, cn);
SqlDataReader rd = cmd.ExecuteReader();
while (rd.Read())
{
dangNhapDB dn = new dangNhapDB();
dn.ma = rd.GetString(0);
dn.tk = rd.GetString(1);
dn.mk = rd.GetString(2);
dn.chucvu = rd.GetString(3);
dangnhap.Add(dn);
}
rd.Close();
}
catch
{ }
return(dangnhap);
}
private void FillCustomerListBox()
{
List <dangNhapDB> customers = new List <dangNhapDB>();
for (int i = 0; i < customers.Count; i++)
{
dangNhapDB c = customers[i];
MessageBox.Show(c.ma.ToString());
}
}
