private void BtnPosition_Click(object sender, EventArgs e)
        {
            int            maxPackageNo = list.Select(x => x.PackageNo).Distinct().Count();
            w_DataPosition frm          = new w_DataPosition(maxPackageNo);

            frm.ShowDialog();
            if (DataPosition.ID > 0)
            {
                index = DataPosition.ID - 1;
                SwichPackage();
                DataPosition.ID        = 0;
                DataPosition.PackageNo = 0;
            }
        }
        private void BtnPosition_Click(object sender, EventArgs e)
        {
            //int currentPackageNo = list.Where(item => item.LabelingStatus == "未完成").Min(item => item.PackageNo);
            int            maxPackageNo = list.Select(x => x.PackageNo).Distinct().Count();
            w_DataPosition frm          = new w_DataPosition(maxPackageNo);

            frm.ShowDialog();
            if (DataPosition.ID > 0)
            {
                index = DataPosition.ID - 1;
                SwichPackage();
                DataPosition.ID        = 0;
                DataPosition.PackageNo = 0;
            }
        }