private void button1_Click(object sender, EventArgs e)
{
con.Open();
string sql = "SELECT * FROM Pracownik WHERE Login = '******' AND Haslo = '" + textBox2.Text + "'";
cmd = new SqlCommand(sql, con);
SqlDataReader dr = cmd.ExecuteReader();
if (dr.HasRows)
{
con.Close();
//Klient klient = new Klient(start, con, textBox1.Text);
Pracownik prac = new Pracownik(start, textBox1.Text);
this.Hide();
prac.Show();
}
else
{
MessageBox.Show("Błąd");
}
con.Close();
}
private void button1_Click(object sender, EventArgs e)
{
this.Hide();
prac.Show();
}