public void refreshing(DataGridView datagridview) { nametextBox.Text = ""; addresstextBox.Text = ""; mobiletextBox.Text = ""; // idtextBox.Text = row.Cells[3].Value.ToString(); positioncomboBox.Text = ""; performancecomboBox.Text = ""; dt = opr.viewWorker(info); WorkersGridView.DataSource = dt; }