public void refreshing(DataGridView datagridview) { TeamIDtextBox.Text = ""; NoOfEmptextBox.Text = ""; //StartingdateTimePicker.Value = Convert.ToDateTime(""); // ClosingdateTimePicker.Value = Convert.ToDateTime(""); ProducttextBox.Text = ""; dt = opr.viewTeam(info); dataGridView1.DataSource = dt; }