private void Save_Click(object sender, EventArgs e)
{
info.name = nametextBox.Text;
info.address = addresstextBox.Text;
info.mobile = mobiletextBox.Text;
info.position = positioncomboBox.SelectedItem.ToString();
info.performance = performancecomboBox.SelectedItem.ToString();
dt = opr.NewWorker(info);
refreshing(WorkersGridView);
}
