{"id":9905,"date":"2025-10-10T17:26:21","date_gmt":"2025-10-10T08:26:21","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=9905"},"modified":"2025-10-17T18:16:52","modified_gmt":"2025-10-17T09:16:52","slug":"csharp-linq","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/csharp-linq\/","title":{"rendered":"\u3010C#\u5165\u9580\u3011LINQ\u306e\u4f7f\u3044\u65b9\u3092\u307e\u3068\u3081\u3066\u89e3\u8aac\uff08\u30e9\u30e0\u30c0\u5f0f\u3001\u30e1\u30bd\u30c3\u30c9\u4e00\u89a7\uff09"},"content":{"rendered":"\n

C#\u306b\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u64cd\u4f5c\u3092\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b \u300cLINQ\u300d \u3068\u3044\u3046\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002
\u4eca\u56de\u306f\u3001LINQ\u3067\u4f7f\u7528\u3067\u304d\u308b\u69d8\u3005\u306a\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3001\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u203b\u3053\u306e\u8a18\u4e8b\u3067\u306f\u8a18\u8ff0\u3059\u308bC#\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30929.0\u7cfb\u306b\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

C#\u306eLINQ\u3068\u306f\uff1f<\/h2>\n\n\n\n

LINQ\u3068\u306f\u3001\u300cLanguage Integrated Query\uff08\u8a00\u8a9e\u7d71\u5408\u30af\u30a8\u30ea\uff09\u300d\u306e\u7565\u3067\u3001C#\u3084VB\u306a\u3069\u306e.NET\u8a00\u8a9e\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u6a5f\u80fd\u306e\uff11\u3064\u3067\u3059\u3002
\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001XML\u3068\u3044\u3063\u305f\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3067\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u3068\u308a\u3092\u3001\u7d71\u4e00\u3055\u308c\u305f\u69cb\u6587\u306b\u3088\u3063\u3066\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u4e0a\u8ff0\u3057\u305f\u30c7\u30fc\u30bf\u64cd\u4f5c\u306f\u4e00\u822c\u7684\u306b\u3001foreach\u306a\u3069\u306e\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u4f7f\u7528\u3057\u3066\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001LINQ\u3092\u6d3b\u7528\u3057\u305f\u5834\u5408\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u7c21\u6f54\u7684\u306b\u8a18\u8ff0\u3057\u3084\u3059\u304f\u306a\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30e9\u30e0\u30c0\u5f0f\u3068\u306f\uff1f<\/h3>\n\n\n\n

LINQ\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u5408\u308f\u305b\u3066\u6d3b\u7528\u3059\u308b\u306e\u304c\u3001\u30e9\u30e0\u30c0\u5f0f\u3068\u547c\u3070\u308c\u308b\u8a18\u6cd5\u3067\u3059\u3002
\u30e9\u30e0\u30c0\u5f0f\u3068\u306f\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306a\u3069\u3067\u533f\u540d\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306b\u3001\u901a\u5e38\u306e\u69cb\u6587\u3088\u308a\u3082\u7c21\u6f54\u306b\u8a18\u8ff0\u3067\u304d\u308b\u65b9\u6cd5\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u30e9\u30e0\u30c0\u5f0f\u3067\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b \u300c\u30e9\u30e0\u30c0\u6f14\u7b97\u5b50 (=>) \u300d \u3068\u547c\u3070\u308c\u308b\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n

\uff08\u5f15\u6570\uff09=> \u51e6\u7406\u5185\u5bb9;<\/code><\/pre><\/div>\n\n\n\n
\u5de6\u8fba\u3067\u95a2\u6570\u306b\u6e21\u3059\u5f15\u6570\u3092\u6307\u5b9a\u3057\u3001\u53f3\u8fba\u306b\u95a2\u6570\u306e\u51e6\u7406\u5185\u5bb9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002
\u5f15\u6570\u306f\u901a\u5e38\u306e\u69cb\u6587\u3068\u540c\u69d8\u306b () \u3067\u56f2\u3063\u3066\u6307\u5b9a\u3057\u307e\u3059\u304c\u3001\u5f15\u6570\u304c\uff11\u3064\u306e\u307f\u306e\u5834\u5408\u306f\u7701\u7565\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
\/\/ \u5f15\u6570\u306a\u3057\n() => 10 + 5;\n\n\/\/ \u5f15\u6570\u3042\u308a\n(x, y) => x + y;\n\n\/\/ \uff11\u3064\u306e\u5834\u5408\u306f\u7701\u7565\u53ef\u80fd\nx => x + 5;<\/code><\/pre><\/div>\n\n\n\n
LINQ\u3067\u4f7f\u7528\u3059\u308b\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u4e00\u89a7<\/h2>\n\n\n\n
LINQ\u3067\u306f\u69d8\u3005\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u4e2d\u3067\u3082\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    \n
  • .Select() \u2026 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u5168\u3066\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u306e\u51e6\u7406\u3092\u3059\u308b<\/li>\n\n\n\n
  • .Where() \u2026 \u8981\u7d20\u3092\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u3067\u7d5e\u308a\u8fbc\u3080<\/li>\n\n\n\n
  • .OrderBy() \u2026 \u8981\u7d20\u3092\u6607\u9806\u306b\u4e26\u3073\u66ff\u3048\u308b<\/li>\n\n\n\n
  • .OrderByDescending() \u2026 \u8981\u7d20\u3092\u964d\u9806\u306b\u4e26\u3073\u66ff\u3048\u308b<\/li>\n\n\n\n
  • .Reverse() \u2026 \u8981\u7d20\u3092\u9006\u9806\u306b\u4e26\u3073\u66ff\u3048\u308b<\/li>\n<\/ul>\n\n\n\n
      \n
    • .Any() \u2026 \u6307\u5b9a\u3057\u305f\u6761\u4ef6\u306b\u4e00\u3064\u3067\u3082\u5408\u81f4\u3059\u308b\u8981\u7d20\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b<\/li>\n\n\n\n
    • .All() \u2026 \u6307\u5b9a\u3057\u305f\u6761\u4ef6\u306b\u5168\u8981\u7d20\u304c\u5408\u81f4\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b<\/li>\n\n\n\n
    • .Contains() \u2026 \u6307\u5b9a\u3057\u305f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3059\u308b<\/li>\n<\/ul>\n\n\n\n
        \n
      • .Max() \u2026 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u306e\u4e2d\u304b\u3089\u6700\u5927\u5024\u3092\u8fd4\u3059<\/li>\n\n\n\n
      • .Min() \u2026 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u306e\u4e2d\u304b\u3089\u8981\u7d20\u306e\u6700\u5c0f\u5024\u3092\u8fd4\u3059<\/li>\n\n\n\n
      • .Average() \u2026 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u5168\u8981\u7d20\u306e\u5e73\u5747\u5024\u3092\u8fd4\u3059<\/li>\n\n\n\n
      • .Sum() \u2026 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u5168\u8981\u7d20\u306e\u5408\u8a08\u3092\u8fd4\u3059<\/li>\n\n\n\n
      • .Count() \u2026 \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8981\u7d20\u6570\u3092\u8fd4\u3059<\/li>\n<\/ul>\n\n\n\n
          \n
        • .ToArray() \u2026 \u914d\u5217\u306b\u5909\u63db\u3059\u308b<\/li>\n\n\n\n
        • .ToList() \u2026 \u30ea\u30b9\u30c8\u306b\u5909\u63db\u3059\u308b<\/li>\n<\/ul>\n\n\n\n
          \u3044\u304f\u3064\u304b\u306e\u9805\u76ee\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u3044\u89e3\u8aac\u3082\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
          Select\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n
          Select\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u51e6\u7406\u5bfe\u8c61\u3068\u3059\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8981\u7d20\u5168\u3066\u306b\u540c\u69d8\u306e\u51e6\u7406\u3092\u884c\u3044\u3001\u305d\u306e\u7d50\u679c\u3092\u65b0\u305f\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
          \u901a\u5e38\u3001foreach\u3067\u8981\u7d20\u3092\uff11\u3064\u305a\u3064\u53d6\u308a\u51fa\u3059\u306a\u3069\u3057\u3066\u884c\u3046\u51e6\u7406\u3092\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u7c21\u6f54\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
          \u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
          \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
          using System;\nusing System.Linq;\n\nnamespace MyCompiler {\n    class Program {\n        public static void Main(string[] args) {\n\n            int[] sampleArray = {1, 2, 3, 4, 5};\n\n            var result = sampleArray.Select(x => x + 10);\n\n            foreach (var num in result){\n                Console.WriteLine(num);\n            }\n        }\n    }\n}<\/code><\/pre><\/div>\n\n\n\n
          \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
          11\n12\n13\n14\n15<\/code><\/pre><\/div>\n\n\n\n
          Select\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u914d\u5217\u306e\u8981\u7d20\u5168\u3066\u306b\u540c\u69d8\u306e\u51e6\u7406\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002
          \u30eb\u30fc\u30d7\u51e6\u7406\u3067\u540c\u69d8\u306e\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u3001\u8907\u6570\u884c\u306b\u6e21\u3063\u3066\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001Select\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u3053\u306e\u3088\u3046\u306b\u4e00\u884c\u3067\u51e6\u7406\u3092\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
          \u306a\u304a\u3001LINQ\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u5192\u982d\u306b \u300cusing System.Linq;\u300d \u3068\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3001\u5fd8\u308c\u305a\u306b\u8a18\u8ff0\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
          Where\u30e1\u30bd\u30c3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046<\/h3>\n\n\n\n
          \u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u306e\u307f\u306b\u51e6\u7406\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306b\u6d3b\u7528\u3067\u304d\u308b\u306e\u304c\u3001LINQ\u306e Where\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n
          Where\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u5f0f\u3092\u5143\u306b\u3001\u5bfe\u8c61\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8981\u7d20\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
          \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
          int[] sampleArray = {1, 2, 3, 4, 5};\n            \nforeach (var num in sampleArray.Where(num => num % 2 == 0)){\n    Console.WriteLine(num);\n}<\/code><\/pre><\/div>\n\n\n\n
          \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
          2\n4<\/code><\/pre><\/div>\n\n\n\n
          Select\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u5408\u308f\u305b\u3066\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u51e6\u7406\u3092\u884c\u3046\u8981\u7d20\u3092\u9650\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
          \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
          int[] sampleArray = {1, 2, 3, 4, 5};\n\nvar result = sampleArray\n    .Where(num => num % 2 == 0)\n    .Select(x => x + 10);\n\nforeach (var num in result){\n    Console.WriteLine(num);\n}<\/code><\/pre><\/div>\n\n\n\n
          \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
          12\n14<\/code><\/pre><\/div>\n\n\n\n
          SelectMany\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n
          Select\u3068\u4f3c\u305f\u51e6\u7406\u3092\u884c\u3046\u30e1\u30bd\u30c3\u30c9\u306b\u3001SelectMany\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
          SelectMany\u30e1\u30bd\u30c3\u30c9\u306f\u4e3b\u306b\u3001\u5165\u308c\u5b50\u72b6\u614b\u3068\u306a\u3063\u3066\u3044\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u5bfe\u3057\u3066\u4f7f\u7528\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
          \u7279\u5b9a\u306e\u30b3\u30ec\u30b7\u30e7\u30f3\u5185\u306b\u5165\u308c\u5b50\u72b6\u614b\u3067\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u5404\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u8981\u7d20\u3092\u305d\u308c\u305e\u308c\u53d6\u308a\u51fa\u3057\u3001\uff11\u3064\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u307e\u3068\u3081\u308b\uff08\u5e73\u5766\u5316\u3059\u308b\uff09\u6a5f\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
          \u6587\u7ae0\u3067\u7406\u89e3\u3059\u308b\u306e\u306f\u5c11\u3057\u96e3\u3057\u3044\u304b\u3068\u601d\u3046\u306e\u3067\u3001\u5b9f\u969b\u306e\u52d5\u304d\u3092\u5143\u306b\u3001Select\u30e1\u30bd\u30c3\u30c9\u3068 SelectMany\u30e1\u30bd\u30c3\u30c9\u306e\u9055\u3044\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
          \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
          var shopList = new[]\n    {\n    new {\n        Name = "A\u5e97", \n        Goods = new[] {\n            "\u925b\u7b46", "\u6d88\u3057\u30b4\u30e0", "\u30cf\u30b5\u30df"\n        }\n    },\n    new {\n        Name = "B\u5e97", \n        Goods = new[] {\n            "\u30b3\u30c3\u30d7", "\u8336\u7897", "\u7bb8", "\u30d5\u30a9\u30fc\u30af", "\u30b9\u30d7\u30fc\u30f3"\n        }\n    },\n    new {\n        Name = "C\u5e97",\n        Goods = new[] {\n            "\u6d0b\u670d", "\u5e3d\u5b50", "\u9774"}\n        }\n    };\n\n\/\/ Select\u30e1\u30bd\u30c3\u30c9\nvar allGoods1 = shopList.Select(s => s.Goods);\n\nConsole.Write($"Select\uff1a{string.Join(", ", allGoods1)}\\n");\n\n\/\/ SelectMany\u30e1\u30bd\u30c3\u30c9\nvar allGoods2 = shopList.SelectMany(s => s.Goods);\n\nConsole.Write($"SelectMany\uff1a{string.Join(", ", allGoods2)}\\n");<\/code><\/pre><\/div>\n\n\n\n
          \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/p>\n\n\n\n
          Select\uff1aSystem.String[], System.String[], System.String[]\nSelectMany\uff1a\u925b\u7b46, \u6d88\u3057\u30b4\u30e0, \u30cf\u30b5\u30df, \u30b3\u30c3\u30d7, \u8336\u7897, \u7bb8, \u30d5\u30a9\u30fc\u30af, \u30b9\u30d7\u30fc\u30f3, \u6d0b\u670d, \u5e3d\u5b50, \u9774<\/code><\/pre><\/div>\n\n\n\n
          \u7d50\u679c\u3092\u898b\u308b\u3068\u5206\u304b\u308b\u3088\u3046\u306b\u3001Select\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u5165\u308c\u5b50\u72b6\u614b\u3068\u306a\u3063\u3066\u3044\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3092\u305d\u306e\u307e\u307e\u4fdd\u6301\u3057\u307e\u3059\u304c\u3001SelectMany\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u4e2d\u306e\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3057\u3001\uff11\u3064\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3068\u3057\u3066\u5e73\u5766\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
          \u5165\u308c\u5b50\u72b6\u614b\u3068\u306a\u3063\u3066\u3044\u308b\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u4e00\u65e6\u5916\u306b\u53d6\u308a\u51fa\u3057\u3066\u304b\u3089\u5404\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3044\u3046\uff12\u3064\u306e\u5de5\u7a0b\u3092\u3001\uff11\u3064\u306e\u51e6\u7406\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304c SelectMany\u30e1\u30bd\u30c3\u30c9\u306e\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n
          GroupBy\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n
          GroupBy\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u3092\u5143\u306b\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n
          \u307e\u305a\u306f\u3001\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u5b9f\u969b\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
          \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/p>\n\n\n\n
          var itemList = new[]\n{\n    new {Category = "\u7b46\u8a18\u7528\u5177", Name = "\u925b\u7b46"},\n    new {Category = "\u98df\u5668", Name = "\u8336\u7897"}, \n    new {Category = "\u7b46\u8a18\u7528\u5177", Name = "\u6d88\u3057\u30b4\u30e0"},\n    new {Category = "\u8863\u985e", Name = "T\u30b7\u30e3\u30c4"},\n    new {Category = "\u98df\u5668", Name = "\u30d5\u30a9\u30fc\u30af"},\n};\n\nvar group = itemList.GroupBy(i => i.Category);\n\nforeach (var category in group){\n    Console.Write($"{category.Key}:\\n");\n                \n    foreach (var items in category){\n        Console.Write($" -{items.Name}\\n");\n    };\n};<\/code><\/pre><\/div>\n\n\n\n
          \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
          \u7b46\u8a18\u7528\u5177:\n -\u925b\u7b46\n -\u6d88\u3057\u30b4\u30e0\n\u98df\u5668:\n -\u8336\u7897\n -\u30d5\u30a9\u30fc\u30af\n\u8863\u985e:\n -T\u30b7\u30e3\u30c4<\/code><\/pre><\/div>\n\n\n\n
          \u7d50\u679c\u3092\u898b\u308b\u3068\u3001\u5404\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e Category \u306e\u5024\u3092\u57fa\u6e96\u306b\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002
          \u3053\u306e\u3088\u3046\u306b\u3001GroupBy\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5bfe\u8c61\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
          OrderBy\u30e1\u30bd\u30c3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046<\/h3>\n\n\n\n
          \u30b1\u30fc\u30b9\u306b\u3088\u3063\u3066\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u3092\u6607\u9806\u3001\u3082\u3057\u304f\u306f\u964d\u9806\u306b\u4e26\u3073\u66ff\u3048\u305f\u3044\u5834\u5408\u3082\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002
          \u305d\u306e\u969b\u306b\u6d3b\u7528\u3067\u304d\u308b\u306e\u304c\u3001OrderBy\u30e1\u30bd\u30c3\u30c9\u3068 OrderByDescending\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n
          OrderBy\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8981\u7d20\u3092\u6607\u9806\u306b\u4e26\u3073\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
          OrderByDescending\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u3001\u964d\u9806\u306b\u4e26\u3073\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n
          \u307e\u305f\u3001Where\u30e1\u30bd\u30c3\u30c9\u306e\u6642\u3068\u540c\u69d8\u306b\u3001\u4ed6\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002
          \u8a66\u3057\u306b\u3001\u5148\u307b\u3069\u89e3\u8aac\u3057\u305f GroupBy\u30e1\u30bd\u30c3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u8981\u7d20\u3092\u6607\u9806\u306b\u4e26\u3079\u305f\u5f8c\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
          \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
          var itemList = new[]\n{\n    new {Category = "\u7b46\u8a18\u7528\u5177", Price = 200, Name = "\u925b\u7b46"},\n    new {Category = "\u98df\u5668", Price = 700, Name = "\u8336\u7897"}, \n    new {Category = "\u7b46\u8a18\u7528\u5177", Price = 300, Name = "\u6d88\u3057\u30b4\u30e0"},\n    new {Category = "\u8863\u985e", Price = 1900, Name = "T\u30b7\u30e3\u30c4"},\n    new {Category = "\u98df\u5668", Price = 550, Name = "\u30d5\u30a9\u30fc\u30af"},\n    new {Category = "\u98df\u5668", Price = 900, Name = "\u7bb8"},\n    new {Category = "\u7b46\u8a18\u7528\u5177", Price = 400, Name = "\u30ce\u30fc\u30c8"},\n    new {Category = "\u8863\u985e", Price = 3200, Name = "\u30b8\u30fc\u30f3\u30ba"},\n    new {Category = "\u8863\u985e", Price = 1200, Name = "\u9774\u4e0b"},\n};\n\nvar group = itemList\n    .OrderBy(i => i.Price)\n    .GroupBy(i => i.Category);\n\nforeach (var category in group){\n    Console.Write($"{category.Key}\\n");\n\n    foreach (var items in category){\n        Console.Write($" -{items.Name}\uff1a{items.Price}\u5186\\n");\n    };\n};<\/code><\/pre><\/div>\n\n\n\n
          \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
          \u7b46\u8a18\u7528\u5177\n -\u925b\u7b46\uff1a200\u5186\n -\u6d88\u3057\u30b4\u30e0\uff1a300\u5186\n -\u30ce\u30fc\u30c8\uff1a400\u5186\n\u98df\u5668\n -\u30d5\u30a9\u30fc\u30af\uff1a550\u5186\n -\u8336\u7897\uff1a700\u5186\n -\u7bb8\uff1a900\u5186\n\u8863\u985e\n -\u9774\u4e0b\uff1a1200\u5186\n -T\u30b7\u30e3\u30c4\uff1a1900\u5186\n -\u30b8\u30fc\u30f3\u30ba\uff1a3200\u5186<\/code><\/pre><\/div>\n\n\n\n
          OrderBy\u30e1\u30bd\u30c3\u30c9\u3068 GroupBy\u30e1\u30bd\u30c3\u30c9\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u5148\u306b OrderBy\u30e1\u30bd\u30c3\u30c9\u3067\u8981\u7d20\u3092\u4e26\u3079\u66ff\u3048\u3066\u304b\u3089\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
          GroupBy\u30e1\u30bd\u30c3\u30c9\u3092\u5148\u306b\u4f7f\u7528\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u5404\u30b0\u30eb\u30fc\u30d7\u306b\u5bfe\u3057\u3066 OrderBy\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u51fa\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u4e26\u3073\u66ff\u3048\u3092\u3057\u3066\u304b\u3089\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u884c\u3046\u65b9\u304c\u3088\u308a\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n
          Count, Max, Sum\u3067\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3059\u308b<\/h2>\n\n\n\n
          LINQ\u306b\u306f\u3001\u96c6\u8a08\u6f14\u7b97\u5b50\u3068\u547c\u3070\u308c\u308b\u96c6\u8a08\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3044\u304f\u3064\u304b\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
          \u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
            \n
          • Max \u2026 \u6700\u5927\u5024\u3092\u53d6\u5f97<\/li>\n\n\n\n
          • Min \u2026 \u6700\u5c0f\u5024\u3092\u53d6\u5f97<\/li>\n\n\n\n
          • Average \u2026 \u5e73\u5747\u5024\u3092\u53d6\u5f97<\/li>\n\n\n\n
          • Sum \u2026 \u5408\u8a08\u5024\u3092\u53d6\u5f97<\/li>\n\n\n\n
          • Count \u2026 \u8981\u7d20\u6570\u3092\u53d6\u5f97<\/li>\n<\/ul>\n\n\n\n
            \u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
            \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
            var numArray = new[] {1, 2, 3, 4, 5};\n            \n\/\/ \u6700\u5927\u5024\nvar maxNum = numArray.Max(x => x);\n\/\/ \u6700\u5c0f\u5024\nvar minNum = numArray.Min(x => x);\n\/\/ \u5e73\u5747\u5024\nvar averageNum = numArray.Average(x => x);\n\/\/ \u5408\u8a08\u5024\nvar sumNum = numArray.Sum(x => x);\n\/\/ \u8981\u7d20\u6570\nvar countNum = numArray.Count();\n            \nConsole.Write($"\u6700\u5927\u5024\uff1a{maxNum}\\n");\nConsole.Write($"\u6700\u5c0f\u5024\uff1a{minNum}\\n");\nConsole.Write($"\u5e73\u5747\u5024\uff1a{averageNum}\\n");\nConsole.Write($"\u5408\u8a08\u5024\uff1a{sumNum}\\n");\nConsole.Write($"\u8981\u7d20\u6570\uff1a{countNum}\\n");<\/code><\/pre><\/div>\n\n\n\n
            \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
            \u6700\u5927\u5024\uff1a5\n\u6700\u5c0f\u5024\uff1a1\n\u5e73\u5747\u5024\uff1a3\n\u5408\u8a08\u5024\uff1a15\n\u8981\u7d20\u6570\uff1a5<\/code><\/pre><\/div>\n\n\n\n
            \u3044\u305a\u308c\u306e\u30e1\u30bd\u30c3\u30c9\u3082\u5f15\u6570\u306e\u6307\u5b9a\u306e\u4ed5\u65b9\u306f\u540c\u3058\u3067\u3059\u304c\u3001Count\u30e1\u30bd\u30c3\u30c9\u306e\u307f\u5f15\u6570\u304c\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
            Any, All\u3067\u8981\u7d20\u304c\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/h2>\n\n\n\n
            LINQ\u306eAny\u30e1\u30bd\u30c3\u30c9\u3084All\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u6307\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
            \u305d\u308c\u305e\u308c\u3001\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
            Any\u3067\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u304c1\u3064\u3067\u3082\u3042\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/h3>\n\n\n\n
            \u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u304c\uff11\u3064\u4ee5\u4e0a\u5b58\u5728\u3059\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3044\u5834\u5408\u306f\u3001Any\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002
            Any\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u304c\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\uff11\u3064\u3067\u3082\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001True\u3092\u8fd4\u5374\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
            \u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
            \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
            var itemList = new[]\n{\n    new {Category = "\u7b46\u8a18\u7528\u5177", Price = 200, Name = "\u925b\u7b46"},\n    new {Category = "\u98df\u5668", Price = 700, Name = "\u8336\u7897"}, \n    new {Category = "\u7b46\u8a18\u7528\u5177", Price = 300, Name = "\u6d88\u3057\u30b4\u30e0"},\n    new {Category = "\u8863\u985e", Price = 1900, Name = "T\u30b7\u30e3\u30c4"},\n    new {Category = "\u98df\u5668", Price = 550, Name = "\u30d5\u30a9\u30fc\u30af"},\n    new {Category = "\u98df\u5668", Price = 900, Name = "\u7bb8"},\n    new {Category = "\u7b46\u8a18\u7528\u5177", Price = 400, Name = "\u30ce\u30fc\u30c8"},\n    new {Category = "\u8863\u985e", Price = 3200, Name = "\u30b8\u30fc\u30f3\u30ba"},\n    new {Category = "\u8863\u985e", Price = 1200, Name = "\u9774\u4e0b"},\n};\n\nif(itemList.Any(i => i.Price > 1000)) {\n    Console.WriteLine("1000\u5186\u3092\u8d85\u3048\u308b\u5546\u54c1\u304c\u3042\u308a\u307e\u3059\u3002");\n} else {\n    Console.WriteLine("1000\u5186\u3092\u8d85\u3048\u308b\u5546\u54c1\u306f\u3042\u308a\u307e\u305b\u3093\u3002");\n}\n<\/code><\/pre><\/div>\n\n\n\n
            \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
            1000\u5186\u3092\u8d85\u3048\u308b\u5546\u54c1\u304c\u3042\u308a\u307e\u3059\u3002<\/code><\/pre><\/div>\n\n\n\n
            \u6761\u4ef6\u6307\u5b9a\u306f\u7701\u7565\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3001\u305d\u306e\u5834\u5408\u306f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306b\u8981\u7d20\u304c\u542b\u307e\u308c\u308b\u304b\u5426\u304b\u3067\u5224\u65ad\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
            \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
            var sampleArray1 = new int[] {1, 2, 3};\nvar sampleArray2 = new int[] {};\n\nif(sampleArray1.Any()) {\n    Console.WriteLine("sampleArray1\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002");\n} else {\n    Console.WriteLine("sampleArray1\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002");\n}\n\nif(sampleArray2.Any()) {\n    Console.WriteLine("sampleArray2\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002");\n} else {\n    Console.WriteLine("sampleArray2\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002");\n}<\/code><\/pre><\/div>\n\n\n\n
            \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
            sampleArray1\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\nsampleArray2\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/code><\/pre><\/div>\n\n\n\n
            LINQ to XML\u3067 XML\u3092\u89e3\u6790\u3059\u308b<\/h2>\n\n\n\n
            C#\u3067\u306f\u3001LINQ to XML\u3068\u3044\u3046\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u3001XML\u30d5\u30a1\u30a4\u30eb\u306e\u64cd\u4f5c\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
            \u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
            \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff08XML\uff09\u3011<\/strong><\/p>\n\n\n\n
            \u30fbxml\n<?xml version="1.0" encoding="utf-8" ?>\n<Student>\n    <Name>\u5c71\u7530 \u592a\u90ce<\/Name>\n    <Name>\u4f50\u85e4 \u82b1\u5b50<\/Name>\n    <Name>\u7530\u4e2d \u4e8c\u90ce<\/Name>\n    <Name>\u5f8c\u85e4 \u7531\u9999<\/Name>\n    <Name>\u85e4\u4e95 \u5149\u8f1d<\/Name>\n<\/Student><\/code><\/pre><\/div>\n\n\n\n
            \u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff08C#\uff09\u3011<\/strong><\/p>\n\n\n\n
            \/\/ xml\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9\u3092\u53d6\u5f97\nstring xmlFilePath = Directory.GetCurrentDirectory() + @\u201c\\sample.xml";\n\n\/\/ xml\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\nvar sampleData = XElement.Load(xmlFilePath);\n\n\/\/ \u540d\u524d\u3092\u5168\u3066\u53d6\u5f97\nvar studentName = from student in sampleData.Elements("Student").Elements("Name") select student.Value;\n\n\/\/ \u53d6\u5f97\u3057\u305f\u540d\u524d\u3092\u51fa\u529b\nforeach (string name in studentName){\n    Console.WriteLine(name);\n}<\/code><\/pre><\/div>\n\n\n\n
            \u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
            \u5c71\u7530 \u592a\u90ce\n\u4f50\u85e4 \u82b1\u5b50\n\u7530\u4e2d \u4e8c\u90ce\n\u5f8c\u85e4 \u7531\u9999\n\u85e4\u4e95 \u5149\u8f1d<\/code><\/pre><\/div>\n\n\n\n
            \u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306e\u307f\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u307e\u3067\u306b\u7d39\u4ecb\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u306a\u3069\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3059\u30c7\u30fc\u30bf\u306e\u307f\u3092\u53d6\u5f97\u3057\u305f\u308a\u306a\u3069\u3044\u3063\u305f\u69d8\u3005\u306a\u64cd\u4f5c\u3092\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
            \u307e\u3068\u3081<\/h2>\n\n\n\n
            \u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f
            LINQ\u3092\u4f7f\u3044\u3053\u306a\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u8907\u96d1\u306a\u51e6\u7406\u3082\u7c21\u6f54\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002
            \u305c\u3072\u3001\u6d3b\u7528\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n\n
            C#\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n
            \u66f8\u7c4d\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5b66\u7fd2\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6628\u4eca\u3067\u306f\u3001YouTube\u306a\u3069\u306e\u52d5\u753b\u30b5\u30a4\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30a4\u30c8\u306a\u3069\u3082\u5145\u5b9f\u3057\u3066\u3044\u3066\u591a\u304f\u306e\u60c5\u5831\u304c\u624b\u306b\u5165\u308a\u307e\u3059\u3002
            \u305d\u3057\u3066\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3059\u308b\u306b\u306f\u3001\u77e5\u8b58\u3092\u3064\u3051\u306a\u304c\u3089\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u3066\u307f\u308b\u306a\u3069\u3001\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u72ec\u5b66\u306e\u5834\u5408\u306f\u3001\u6709\u8b58\u8005\u306b\u8cea\u554f\u304c\u3067\u304d\u305f\u308a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u3082\u3089\u3048\u308b\u3088\u3046\u306a\u74b0\u5883\u304c\u3042\u308b\u3068\u3001\u7406\u89e3\u5ea6\u304c\u6df1\u307e\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
            \u305f\u3060\u3001C#\u306b\u9650\u3089\u305a\u3001IT\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u308b\u969b\u3001\u3069\u3046\u3057\u3066\u3082\u8ab2\u984c\u306b\u3076\u3064\u304b\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u3088\u306d\u3002\u7279\u306b\u72ec\u5b66\u3060\u3068\u3001\u308f\u304b\u3089\u306a\u3044\u90e8\u5206\u3092\u30d7\u30ed\u306b\u8cea\u554f\u3067\u304d\u308b\u6a5f\u4f1a\u3092\u78ba\u4fdd\u3057\u306b\u304f\u304f\u3001\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u7d9a\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u72ec\u5b66\u3067\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3059\u308b\u81ea\u4fe1\u304c\u306a\u3044\u4eba\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3068\u3044\u3046\u624b\u3082\u3042\u308a\u307e\u3059\u3002\u8cbb\u7528\u306f\u639b\u304b\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u5206\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3084\u3059\u3044\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3066\u5b9f\u8df5\u306b\u6d3b\u304b\u3057\u305f\u3044\u3068\u3044\u3046\u4eba\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n
            \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u306a\u3089\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u304c\u304a\u3059\u3059\u3081\uff01<\/strong><\/span><\/p>\n\n\n\n\n\n
            IT\u30b9\u30ad\u30eb\u9700\u8981\u306e\u9ad8\u307e\u308a\u3068\u3068\u3082\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3082\u5897\u3048\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3069\u306e\u30b9\u30af\u30fc\u30eb\u306b\u901a\u3046\u3079\u304d\u304b\u8ff7\u3063\u3066\u3057\u307e\u3046\u4eba\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u305d\u3093\u306a\u65b9\u306b\u306f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff01\u3053\u308c\u307e\u3067\u591a\u304f\u306eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u80b2\u6210\u30fb\u8f29\u51fa\u3057\u3066\u304d\u305f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3067\u3082\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3092\u958b\u8b1b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
            \n
            \uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/strong>
            \u30fb\u305f\u3057\u304b\u306a\u80b2\u6210\u5b9f\u7e3e\u3068\u89aa\u8eab\u306a\u6559\u80b2\u3000\uff5e\u30bb\u30ab\u30f3\u30c9\u30ad\u30e3\u30ea\u30a2\u3092\u5168\u529b\u652f\u63f4\uff5e<\/strong>
            \u30fb\u8b1b\u5e2b\u304c\u73fe\u5f79\u30a8\u30f3\u30b8\u30cb\u30a2\u3000\uff5e\u201c\u672c\u5f53\u201d\u306e\u958b\u767a\u30ce\u30a6\u30cf\u30a6\u3092\u76f4\u306b\u5b66\u3079\u308b\uff5e<\/strong>
            \u30fb\u5c02\u5c5e\u8b1b\u5e2b\u304c\u5b66\u7fd2\u3092\u5fb9\u5e95\u30b5\u30dd\u30fc\u30c8\u3000\uff5e\u300c\u308f\u304b\u3089\u306a\u3044\u300d\u3092\u5fb9\u5e95\u89e3\u6c7a\uff5e<\/strong>
            \u30fb\u5b9f\u52d9\u30d9\u30fc\u30b9\u3067\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3000\uff5e\u5b9f\u8df5\u7684\u306a\u51dd\u7e2e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\uff5e<\/strong><\/p>\n<\/div>\n
            \u3053\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3064\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306fIT\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b9\u30bf\u30fc\u30c8\u30e9\u30a4\u30f3\u3068\u3057\u3066\u6700\u9069\u3067\u3059\u3002
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