public void getAllRepairs()
        {
            List <String[]> rows;

            dataGridView1.Columns.Clear();

            rows = sql.getAllRepairs();

            //  MessageBox.Show("rows[0].Length = ", rows[0].Length.ToString()); ok

            //  MessageBox.Show("rows.Count = ", rows.Count.ToString()); ok


            for (int i = 0; i < rows[0].Length; i++)
            {
                dataGridView1.Columns.Add((rows[0])[i], (rows[0])[i]);
            }

            for (int i = 1; i < rows.Count; i++)
            {
                dataGridView1.Rows.Add(rows[i]);
//                MessageBox.Show("", rows[i].ToString());
            }


            dataGridView1.ReadOnly = true;
        }