private void loginBtn_Click(object sender, EventArgs e)
{
QuanLyKaraokeDB db = new QuanLyKaraokeDB();
var row = db.GetData($"select * from NHANVIEN where tenDN='{usernameTxt.Text.ToString()}' and matKhau='{passTxt.Text.ToString()}'").Rows;
if (row.Count == 1)
{
string username = row[0].ItemArray[0].ToString();
bool isManager = Convert.ToInt32(row[0].ItemArray[8].ToString()) == 1;
Console.WriteLine(row[0].ItemArray[7]);
Console.WriteLine(isManager);
this.Hide();
TrangChu f = new TrangChu(isManager, username);
f.Text = "Trang Chủ";
f.ShowDialog();
}
else
{
alertLabel.Visible = true;
}
}