private void Update_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(); // info.id = Convert.ToInt32(idtextBox.Text); dt = opr.UpdateWorker(info); refreshing(WorkersGridView); }