private void checkBox1_Click(object sender, EventArgs e)
{
//MessageBox.Show(checkBox1.Checked.ToString(), "");
string sBlokadaPZ = "0";
if (checkBox1.Checked) sBlokadaPZ = "1";
fbLogowanie = new fblog();
fbLogowanie.fAktualizujBlokadaPZ(sBlokadaPZ);
}