private void addwhse_btn_Click(object sender, EventArgs e)
        {
            //instance with partdataset
            Warehouse_Master wm = new Warehouse_Master(PartDatum);

            wm.ShowDialog();

            //get added warehouse list from form

            //add to partdataset and combobox.items

            wm.Dispose();

            DataList.EpicClose();
        }
        private void addwhse_btn_Click(object sender, EventArgs e)
        {
            //instance with partdataset
            Warehouse_Master wm = new Warehouse_Master(PartDatum);

            wm.ShowDialog();

            //get added warehouse list from form

            //add to partdataset and combobox.items

            wm.Dispose();

            DataList.EpicClose();
        }