private void btnAdd_Click(object sender, EventArgs e)
 {
     车间物料转换单明细 frm = new 车间物料转换单明细(null);
     frm.ShowDialog();
     RefrshData();
     PositioningRecord(frm.StrBillNo);
 }
        private void dataGridView1_DoubleClick(object sender, EventArgs e)
        {
            string billNo = dataGridView1.CurrentRow.Cells["单据号"].Value.ToString();

            车间物料转换单明细 frm = new 车间物料转换单明细(billNo);
            frm.ShowDialog();
            RefrshData();
            PositioningRecord(billNo);
        }