public DataTable Dangnhap(LoginObject lgo)
{
string sql = "SELECT * FROM LOGIN WHERE [USERNAME] =N'" + lgo.Username + "' AND [PASSWORD] =N'" + lgo.Password + "'";
DataTable dt = new DataTable();
dt = db.Execute(sql);
return(dt);
}
private void btnDn_Click(object sender, EventArgs e)
{
if (txtPass.Text == "" || txtUser.Text == "")
{
MessageBox.Show("Du lieu khong duoc bo trong ");
return;
}
lgo = new LoginObject(txtUser.Text, txtPass.Text);
DataTable dt = new DataTable();
dt = lglg.Dangnhap(lgo);
if (dt.Rows.Count > 0)
{
MessageBox.Show("Dang nhap tc");
return;
}
else
{
MessageBox.Show("Dn that bai");
}
}