{"image_url":null,"height":"190","provider_url":"https://hatena.blog","published":"2009-12-04 00:00:02","description":"\u4eca\u56de\u306f\u3001\u30af\u30a8\u30ea\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u4e2d\u3067\u3082select\u3068\u4e26\u3093\u3067\u5fc5\u305a\u898b\u308b from\u3067\u3059\u3002 \u305d\u306e\u307e\u307e\u306e\u52d5\u4f5c\u3067\u3059\u304c\u3001\u5143\u3068\u306a\u308b\u30c7\u30fc\u30bf\u304b\u3089 \u4e00\u3064\u305a\u3064\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3057\u3066\u304f\u308c\u307e\u3059\u3002 in\u306e\u53f3\u306b\u304b\u3051\u308b\u306e\u306f\u4ee5\u4e0b\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u30af\u30e9\u30b9\u3068\u306a\u308a\u307e\u3059\u3002 IEnumerable IEnumerable IQueryable \u57fa\u672c\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u578b\u63a8\u8ad6\u3092\u5229\u7528\u3057\u3066\u8a18\u8ff0\u3057\u307e\u3059\u3002 from x in enumerableObjects \u8907\u6570\u306efrom\u3092\u8a18\u8ff0\u3059\u308b\u4e8b\u3082\u51fa\u6765\u307e\u3059\u3002 from x in ListA from y in x.ListB \u4f46\u3057\u3001ArrayList\u306e\u3088\u3046\u306bIEnumerable\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b \u30af\u30e9\u30b9\u306e\u5834\u5408\u306f\u2026","width":"100%","url":"https://devlights.hatenablog.com/entry/20091204/p2","type":"rich","title":" Linq\u5165\u9580\u8a18-02 (\u30af\u30a8\u30ea\u30ad\u30fc\u30ef\u30fc\u30c9, \u30af\u30a8\u30ea\u69cb\u6587, from)","version":"1.0","blog_title":"\u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\u65e5\u8a18","categories":["C#","Linq"],"provider_name":"Hatena Blog","author_name":"gsf_zero1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevlights.hatenablog.com%2Fentry%2F20091204%2Fp2\" title=\" Linq\u5165\u9580\u8a18-02 (\u30af\u30a8\u30ea\u30ad\u30fc\u30ef\u30fc\u30c9, \u30af\u30a8\u30ea\u69cb\u6587, from) - \u3044\u308d\u3044\u308d\u5099\u5fd8\u9332\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://devlights.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/gsf_zero1/"}