private void btnOpenLogClick(object sender, EventArgs e)
{
OpenLog o = new OpenLog(this);
if (o.listBox1.Items.Count != 0)
{
o.Show();
}
else
{
MessageBox.Show("There is log for " + dateTimePicker1.Text);
}
}
private void button2_Click(object sender, EventArgs e)
{
OpenLog f = new OpenLog(this);
f.Show();
}