{"url":"https://dk521123.hatenablog.com/entry/29207647","provider_url":"https://hatena.blog","image_url":null,"title":"\u3010C#\u3011Linq\u30e1\u30bd\u30c3\u30c9 \u5408\u8a08\u3092\u6c42\u3081\u308b/\u96c6\u8a08\u3059\u308b \uff5eSUM\u7de8 \uff5e","provider_name":"Hatena Blog","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","version":"1.0","author_name":"dk521123","width":"100%","type":"rich","author_url":"https://blog.hatena.ne.jp/dk521123/","height":"190","description":"\u5408\u8a08\u3092\u6c42\u3081\u308b * Sum()\u3092\u4f7f\u7528\u3059\u308b \u69cb\u6587 var totalStock = productDetails.Sum(x => x.Stock); \u30b5\u30f3\u30d7\u30eb \u5165\u308c\u5b50\u306b\u306a\u3063\u305f\u6570\u91cf\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b public partial class Form1 : Form { IList<Product> products; public Form1() { InitializeComponent(); this.products = new List<Product>() { new Product() { Id = \"001\", Name = \"Book1\", ProductDetails = new \u2026","published":"2012-06-05 00:02:44","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F29207647\" title=\"\u3010C#\u3011Linq\u30e1\u30bd\u30c3\u30c9 \u5408\u8a08\u3092\u6c42\u3081\u308b/\u96c6\u8a08\u3059\u308b \uff5eSUM\u7de8 \uff5e - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Linq\u30fb\u30e9\u30e0\u30c0\u5f0f"],"blog_url":"https://dk521123.hatenablog.com/"}