{"description":"DataTable \u3067\u306f\u7279\u4f8b\u306e\u5217\u306e\u5408\u8a08\u3084\u5e73\u5747\u306a\u3069\u306e\u96c6\u8a08\u304c\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002 \u305d\u306e\u30e1\u30bd\u30c3\u30c9\u304cDataTable.Compute()\u3067\u3059\u3002 \u3053\u308c\u3092\u4f7f\u3046\u3068\u4eca\u307e\u3067\u3044\u3061\u3044\u3068\u30eb\u30fc\u30d7\u3067\u307e\u308f\u3057\u3066\u305f\u624b\u9593\u304c\u6e1b\u308b\u306e\u3067\u975e\u5e38\u306b\u697d\u3067\u3059\u306d\u3002 \u5358\u306b\u5168\u884c\u306e\u5408\u8a08\u5024\u3092\u6c42\u3081\u308b\u3060\u3051\u3069\u3053\u3046\u66f8\u3051\u307e\u3059\u3002 'dtbl\u306fDataTable\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 Toral\u5217\u3092\u6301\u3063\u3066\u3044\u308b\u3068\u3059\u308b Dim objSum As Object = dtbl.Compute(\"Sum(Total)\", Nothing) Compute \u30e1\u30bd\u30c3\u30c9\u306e\u7b2c\u4e8c\u5f15\u6570\u3067\u3001\u30d5\u30a3\u30eb\u30bf\u304c\u6307\u5b9a\u3067\u304d\u308b\u306e\u3067\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306e\u307f\u306e\u30c7\u30fc\u30bf\u306e\u5834\u5408\u306b\u96c6\u8a08\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 'ID\u5217\u306e\u5024\u304c1\u2026","version":"1.0","type":"rich","height":"190","blog_title":"3\u6d41\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u30e1\u30e2\u66f8\u304d","width":"100%","image_url":null,"url":"https://3ryupg.hatenablog.com/entry/2009/03/09/192900","author_name":"deloreanmc12","provider_url":"https://hatena.blog","blog_url":"https://3ryupg.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F3ryupg.hatenablog.com%2Fentry%2F2009%2F03%2F09%2F192900\" title=\"(.Net)DataTable\u3067\u7279\u5b9a\u306e\u5217\u306e\u5024\u3092\u96c6\u8a08\u3059\u308b - 3\u6d41\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u30e1\u30e2\u66f8\u304d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","published":"2009-03-09 19:29:00","categories":[".Net\u958b\u767a"],"title":"(.Net)DataTable\u3067\u7279\u5b9a\u306e\u5217\u306e\u5024\u3092\u96c6\u8a08\u3059\u308b","author_url":"https://blog.hatena.ne.jp/deloreanmc12/"}