{"id":128477,"date":"2024-03-25T06:34:20","date_gmt":"2024-03-24T21:34:20","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c-%e3%81%ae-executenonquery-%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-27T20:33:40","modified_gmt":"2024-03-27T11:33:40","slug":"c-%e3%81%ae-executenonquery-%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c-%e3%81%ae-executenonquery-%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"C# \u306e ExecuteNonQuery() \u306e\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"

C# \u3067\u306f\u3001ExecuteNonQuery() \u30e1\u30bd\u30c3\u30c9\u306f\u3001INSERT\u3001UPDATE\u3001DELETE \u306a\u3069\u306e\u7d50\u679c\u3092\u8fd4\u3055\u306a\u3044 SQL \u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u884c\u6570\u3092\u8868\u3059\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n

ExecuteNonQuery() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. SQL\u30b3\u30cd\u30af\u30b7\u30e7\u30f3<\/li>\n<\/ol>\n
    string<\/span> connectionString = \"Data Source=MyServer;Initial Catalog=MyDatabase;User ID=MyUsername;Password=MyPassword;\"<\/span>;\r\nSqlConnection connection = new<\/span> SqlConnection(connectionString);\r\n<\/code><\/pre>\n
      \n
    1. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u958b\u304f\u3002<\/li>\n<\/ol>\n
      connection.Open();\r\n<\/code><\/pre>\n
        \n
      1. SQL\u30b3\u30de\u30f3\u30c9<\/li>\n<\/ol>\n
        string<\/span> sql = \"INSERT INTO MyTable (Column1, Column2) VALUES (@Value1, @Value2)\"<\/span>;\r\nSqlCommand command = new<\/span> SqlCommand(sql, connection);\r\n<\/code><\/pre>\n
          \n
        1. SQL\u6587\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09\u3002<\/li>\n<\/ol>\n
          command.Parameters.AddWithValue(\"@Value1\"<\/span>, value1);\r\ncommand.Parameters.AddWithValue(\"@Value2\"<\/span>, value2);\r\n<\/code><\/pre>\n
            \n
          1. SQL\u6587\u3092\u5b9f\u884c\u3057\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u884c\u6570\u3092\u53d6\u5f97\u3059\u308b\u3002<\/li>\n<\/ol>\n
            int<\/span> rowsAffected = command.ExecuteNonQuery();\r\n<\/code><\/pre>\n
              \n
            1. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3092\u9589\u3058\u308b\u3002<\/li>\n<\/ol>\n
              connection.Close();\r\n<\/code><\/pre>\n
              ExecuteNonQuery()\u30e1\u30bd\u30c3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u305f\u5f8c\u3001\u5909\u6570rowsAffected\u3067\u5f71\u97ff\u3092\u53d7\u3051\u305f\u884c\u6570\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              C# \u3067\u306f\u3001ExecuteNonQuery() \u30e1\u30bd\u30c3\u30c9\u306f\u3001INSERT\u3001UPDATE\u3001DELETE \u306a\u3069\u306e\u7d50\u679c\u3092\u8fd4\u3055\u306a\u3044 SQL \u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u884c\u6570\u3092\u8868\u3059\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002 Exec […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-128477","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC# \u306e ExecuteNonQuery() \u306e\u4f7f\u7528\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c-\u306e-executenonquery-\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C# \u306e ExecuteNonQuery() \u306e\u4f7f\u7528\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"C# \u3067\u306f\u3001ExecuteNonQuery() \u30e1\u30bd\u30c3\u30c9\u306f\u3001INSERT\u3001UPDATE\u3001DELETE \u306a\u3069\u306e\u7d50\u679c\u3092\u8fd4\u3055\u306a\u3044 SQL \u6587\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u884c\u6570\u3092\u8868\u3059\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002 Exec […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c-\u306e-executenonquery-\u306e\u4f7f\u7528\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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