private void fUserList()
{
fbLogowanie = new fblog();
List<string>[] lstUsers = fbLogowanie.fUsers();
dataGridView2.Rows.Clear();
for (int i = 0; i < lstUsers[0].Count; i++)
{
int number = dataGridView2.Rows.Add();
dataGridView2.Rows[number].Cells[0].Value = lstUsers[0][i].ToString();
dataGridView2.Rows[number].Cells[1].Value = lstUsers[1][i].ToString();
dataGridView2.Rows[number].Cells[2].Value = lstUsers[2][i].ToString();
dataGridView2.Rows[number].Cells[3].Value = lstUsers[3][i].ToString();
dataGridView2.Rows[number].Cells[4].Value = lstUsers[4][i].ToString();
if (lstUsers[2][i].ToString() == "") dataGridView2.Rows[number].DefaultCellStyle.BackColor = Color.Tomato;
}
}