void ModData()
        {
            if (dgvMain.CurrentRow != null)
            {
                FormGoodsMaterialItem dlg = new FormGoodsMaterialItem();

                dlg.m_GoodsMaterialItem.GoodsMaterialID    = Convert.ToInt32(dgvMain.CurrentRow.Cells["ColumnGoodsMaterialID"].Value);
                dlg.m_GoodsMaterialItem.GoodsSubClassifyID = Convert.ToInt32(dgvMain.CurrentRow.Cells["ColumnGoodsSubClassifyID"].Value);

                dlg.m_GoodsMaterialItem.Cost = Convert.ToDouble(dgvMain.CurrentRow.Cells["ColumnCost"].Value);

                dlg.m_GoodsMaterialItem.GoodsMaterialName = dgvMain.CurrentRow.Cells["ColumnMaterialName"].Value.ToString();
                dlg.m_GoodsMaterialItem.GoodsMaterialNO   = dgvMain.CurrentRow.Cells["ColumnMaterialNO"].Value.ToString();

                dlg.m_GoodsMaterialItem.PinYin = dgvMain.CurrentRow.Cells["ColumnPinYin"].Value.ToString();
                dlg.m_GoodsMaterialItem.Unit   = dgvMain.CurrentRow.Cells["ColumnUnit"].Value.ToString();

                dlg.m_GoodsMaterialItem.GoodsClassify    = dgvMain.CurrentRow.Cells["ColumnGoodsClassify"].Value.ToString().Trim();
                dlg.m_GoodsMaterialItem.GoodsSubClassify = dgvMain.CurrentRow.Cells["ColumnGoodsSubClassify"].Value.ToString().Trim();

                dlg.ShowDialog();

                ShowGoodsMaterial();
            }
        }
        private void toolStripButtonAdd_Click(object sender, EventArgs e)
        {
            FormGoodsMaterialItem dlg = new FormGoodsMaterialItem();

            dlg.ShowDialog();

            ShowGoodsMaterial();
        }