static void Main(string[] args)
{
TestContext context = new TestContext(connString);
goods_type myType = new goods_type();
myType.type_code = "T001";
myType.type_name = "测试类型1";
context.AddTogoods_type(myType);
goods myGoods = new goods();
myGoods.goodsid = "G001";
myGoods.name = "测试货物1";
myGoods.goods_type = myType;
context.AddTogoods(myGoods);
store myStore = new store();
myStore.store_code = "S001";
myStore.store_name = "测试仓库1";
context.AddTostore(myStore);
onhand myOnhand = new onhand();
myOnhand.goods = myGoods;
myOnhand.store = myStore;
myOnhand.onhand1 = 100;
context.AddToonhand(myOnhand);
context.SaveChanges();
}