{"height":"190","blog_title":"present","provider_url":"https://hatena.blog","type":"rich","author_name":"griefworker","blog_url":"https://tnakamura.hatenablog.com/","url":"https://tnakamura.hatenablog.com/entry/2015/08/05/linq-left-outer-join","width":"100%","image_url":null,"version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/griefworker/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F2015%2F08%2F05%2Flinq-left-outer-join\" title=\"LINQ \u3067\u5de6\u5916\u90e8\u7d50\u5408 - present\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u3044\u3064\u3082\u5fd8\u308c\u3066\u3001\u305d\u306e\u5ea6\u30cd\u30c3\u30c8\u3067\u8abf\u3079\u3066\u3044\u308b\u306e\u3067\u3001\u30d6\u30ed\u30b0\u306b\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002 DefaultIfEmpty \u3092\u4f7f\u3046\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3002 using System; using System.Linq; namespace LinqLeftOuterJoinSample { public class Sector { public int Id { get; set; } public string Name { get; set; } } class User { public int Id { get; set; } public string Name { get; set; } public int S\u2026","categories":["C#"],"title":"LINQ \u3067\u5de6\u5916\u90e8\u7d50\u5408","published":"2015-08-05 07:30:00"}