{"provider_url":"https://hatena.blog","categories":[],"published":"2008-05-12 00:00:01","blog_url":"https://atsushieno.hatenadiary.org/","version":"1.0","blog_title":"\u3082\u306e\u304c\u305f\u308a(\u65e7)","width":"100%","title":"DataRowComparer weird behavior","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fatsushieno.hatenadiary.org%2Fentry%2F20080512%2Fp2\" title=\"DataRowComparer weird behavior - \u3082\u306e\u304c\u305f\u308a(\u65e7)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","url":"https://atsushieno.hatenadiary.org/entry/20080512/p2","author_name":"atsushieno","image_url":null,"author_url":"https://blog.hatena.ne.jp/atsushieno/","type":"rich","provider_name":"Hatena Blog","description":"\u306e\u3063\u3051\u304b\u3089\u8e93\u304b\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u3002http://msdn.microsoft.com/en-us/library/bb908065.aspx The GetHashCode method is the value-based comparison implementation of the GetHashCode method.\u3068\u66f8\u3044\u3066\u3042\u308b\u306e\u3060\u3051\u3069 DataSet ds = new DataSet (); DataTable dt = new DataTable (\"MyTable\"); ds.Tables.Add (dt); dt.Columns.Add (\"col1\"); dt.Column\u2026"}