public warehouse warehouse_insert()
{
warehouse.warehouse_name = Insert_warehouse_name_txt.Text;
warehouse.address_id = Convert.ToInt32(Insert_address_id_txt.Text);
warehouse.warehouse_type = Insert_warehouse_type_txt.Text;
warehouse.Location_ID = Convert.ToInt32(Insert_Location_ID_txt.Text);
warehouse = warehouse.Insert(warehouse);
Insert_warehouse_GridView.DataBind();
Update_warehouse_GridView.DataBind();
Delete_warehouse_GridView.DataBind();
return(warehouse);
}