{"id":135418,"date":"2024-03-26T11:38:30","date_gmt":"2024-03-26T02:38:30","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c-%e3%81%ae-sqlparameter-%e3%82%af%e3%83%a9%e3%82%b9%e4%bd%bf%e7%94%a8%e6%b3%95%e3%81%be%e3%81%a8%e3%82%81\/"},"modified":"2024-03-28T02:15:02","modified_gmt":"2024-03-27T17:15:02","slug":"c-%e3%81%ae-sqlparameter-%e3%82%af%e3%83%a9%e3%82%b9%e4%bd%bf%e7%94%a8%e6%b3%95%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c-%e3%81%ae-sqlparameter-%e3%82%af%e3%83%a9%e3%82%b9%e4%bd%bf%e7%94%a8%e6%b3%95%e3%81%be%e3%81%a8%e3%82%81\/","title":{"rendered":"C# \u306e SqlParameter \u30af\u30e9\u30b9\u4f7f\u7528\u6cd5\u307e\u3068\u3081"},"content":{"rendered":"

C# \u3067\u306f\u3001SqlParameter \u30af\u30e9\u30b9\u306f SQL \u30b3\u30de\u30f3\u30c9\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8868\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001SqlParameter \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u8981\u7d04\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. SqlParameter\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\uff1a<\/li>\n<\/ol>\n
    SqlParameter parameter = new SqlParameter();\r\n<\/code><\/pre>\n
    \u307e\u305f\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u540d\u3068\u5024\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306bSqlParameter\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
    SqlParameter parameter = new SqlParameter(\"parameterName\", value);\r\n<\/code><\/pre>\n
      \n
    1. SqlParameter \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
        \n
      1. \u30d1\u30e9\u30e1\u30fc\u30bf\u540d\uff1a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u540d\u524d\u3092\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n
      2. \u5024\uff1a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u53d6\u5f97\u3057\u305f\u308a\u8a2d\u5b9a\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/li>\n
      3. \u5f15\u6570\u306e\u5411\u304d\uff08\u5165\u529b\u3001\u51fa\u529b\u3001\u8fd4\u308a\u5024\u306a\u3069\uff09\u3092\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3059\u308b<\/li>\n
      4. SqlDbType\uff1a\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30c7\u30fc\u30bf\u578b\u3092\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n
      5. \u30b5\u30a4\u30ba: \u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30b5\u30a4\u30ba\u306e\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n
      6. IsNullable: \u5f15\u6570\u304c Null \u5024\u3092\u8a31\u5bb9\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3059\u5024\u3092\u8a2d\u5b9a\u307e\u305f\u306f\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
        \u4f8b\u3048\u3070\u3001<\/p>\n
        parameter.ParameterName = \"parameterName\";\r\nparameter.Value = value;\r\nparameter.Direction = ParameterDirection.Input;\r\nparameter.SqlDbType = SqlDbType.VarChar;\r\nparameter.Size = 50;\r\nparameter.IsNullable = true;\r\n<\/code><\/pre>\n
          \n
        1. SqlParameter\u3092SqlCommand\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306eParameters\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
          command.Parameters.Add(parameter);\r\n<\/code><\/pre>\n
            \n
          1. \u30d1\u30e9\u30e1\u30fc\u30bf\u4ed8\u304dSQL\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b<\/li>\n<\/ol>\n
            command.ExecuteNonQuery(); \/\/ \u6267\u884c\u975e\u67e5\u8be2\u8bed\u53e5\uff08\u5982INSERT\u3001UPDATE\u3001DELETE\uff09\r\ncommand.ExecuteScalar(); \/\/ \u6267\u884c\u67e5\u8be2\u8bed\u53e5\u5e76\u8fd4\u56de\u7b2c\u4e00\u884c\u7b2c\u4e00\u5217\u7684\u7ed3\u679c\r\ncommand.ExecuteReader(); \/\/ \u6267\u884c\u67e5\u8be2\u8bed\u53e5\u5e76\u8fd4\u56de\u4e00\u4e2aSqlDataReader\u5bf9\u8c61\r\n<\/code><\/pre>\n
            SqlParameter\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3092SQL\u30b3\u30de\u30f3\u30c9\u306b\u5b89\u5168\u306b\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483\u3092\u56de\u907f\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5b89\u5168\u6027\u3092\u5411\u4e0a\u3055\u305b\u3089\u308c\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            C# \u3067\u306f\u3001SqlParameter \u30af\u30e9\u30b9\u306f SQL \u30b3\u30de\u30f3\u30c9\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8868\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001SqlParameter \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u8981\u7d04\u3092\u793a\u3057\u307e\u3059\u3002 SqlParameter\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\uff1a SqlPa […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-135418","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nC# \u306e SqlParameter \u30af\u30e9\u30b9\u4f7f\u7528\u6cd5\u307e\u3068\u3081 - 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-sqlparameter-\u30af\u30e9\u30b9\u4f7f\u7528\u6cd5\u307e\u3068\u3081\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C# \u306e SqlParameter \u30af\u30e9\u30b9\u4f7f\u7528\u6cd5\u307e\u3068\u3081\" \/>\n<meta property=\"og:description\" content=\"C# \u3067\u306f\u3001SqlParameter \u30af\u30e9\u30b9\u306f SQL \u30b3\u30de\u30f3\u30c9\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8868\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001SqlParameter \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u8981\u7d04\u3092\u793a\u3057\u307e\u3059\u3002 SqlParameter\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\uff1a SqlPa […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/c-\u306e-sqlparameter-\u30af\u30e9\u30b9\u4f7f\u7528\u6cd5\u307e\u3068\u3081\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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