protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            int rowIndex = e.RowIndex;

            Warehouse warehouse = new Warehouse();

            warehouse.Warehouse_id = Convert.ToInt32(this.GridView1.DataKeys[rowIndex].Value);

            WarehouseProvider provider = new WarehouseProvider();

            if (provider.Delete(warehouse))
            {
                this.Alert("删除成功!!!");

                this.ListPager1.RecordCount = this.ListPager1.RecordCount - 1;
                this.BindSource();
            }
        }