{"id":124492,"date":"2024-03-24T15:27:15","date_gmt":"2024-03-24T06:27:15","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-26T16:14:34","modified_gmt":"2024-03-26T07:14:34","slug":"oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/","title":{"rendered":"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5"},"content":{"rendered":"<p>OLEDBCommand\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>1. OLEDBConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u63a5\u7d9a\u3092\u958b\u304f\uff1a<br \/>\n&#8220;`<br \/>\nOleDbConnection connection = new OleDbConnection(connectionString);<br \/>\nconnection.Open();<br \/>\n&#8220;`<br \/>\n2. \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u4ed8\u304d\u3067SQL\u30af\u30a8\u30ea\u304b\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3092\u4f5c\u6210\u3059\u308b\uff1a<br \/>\n&#8220;`<br \/>\nstring query = &#8220;SELECT * FROM Customers WHERE Country = ?&#8221;;<br \/>\n&#8220;`<br \/>\n3. OLEDBCommand\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u63a5\u7d9a\u3068\u30af\u30a8\u30ea\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u6e21\u3059\uff1a<br \/>\n&#8220;`<br \/>\nOleDbCommand command = new OleDbCommand(query, connection);<br \/>\n&#8220;`<br \/>\n4. OLEDBCommand\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8ffd\u52a0\u3059\u308b\uff1a<br \/>\n&#8220;`<br \/>\ncommand.Parameters.AddWithValue(&#8220;@Country&#8221;, &#8220;China&#8221;);<br \/>\n&#8220;`<br \/>\n5. \u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3001\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\uff1a<br \/>\n&#8220;`<br \/>\nOleDbDataReader reader = command.ExecuteReader();<br \/>\nwhile (reader.Read()){<br \/>\n\/\/ \u30af\u30a8\u30ea\u7d50\u679c\u3092\u51e6\u7406<br \/>\n}<br \/>\n&#8220;`<br \/>\n6. \u63a5\u7d9a\u3092\u9589\u3058\u308b\uff1a<br \/>\n&#8220;`<br \/>\nreader.Close();<br \/>\nconnection.Close();<br \/>\n&#8220;`<br \/>\n**\u6ce8\u610f:** \u4e0a\u8a18\u624b\u9806\u306e\u30af\u30a8\u30ea\u4f8b\u3067\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u3068\u3057\u3066\u300c?\u300d\u3092\u4f7f\u7528\u3057\u3001\u305d\u306e\u5f8c`command.Parameters.AddWithValue()`\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u3063\u3066\u30b3\u30de\u30f3\u30c9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5b9f\u969b\u306e\u5024\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30a8\u30ea\u306e\u306a\u304b\u3067\u8907\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001`@\u30d1\u30e9\u30e1\u30fc\u30bf\u540d`\u3092\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u540c\u3058\u3088\u3046\u306b\u3001`command.Parameters.AddWithValue()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5404\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u5b9f\u969b\u306e\u5024\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OLEDBCommand\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 1. OLEDBConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u63a5\u7d9a\u3092\u958b\u304f\uff1a &#8220;` OleDbConnection connection = ne [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124492","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\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\/oledbcommand-\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"OLEDBCommand\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 1. OLEDBConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u63a5\u7d9a\u3092\u958b\u304f\uff1a &#8220;` OleDbConnection connection = ne [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T06:27:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-26T07:14:34+00:00\" \/>\n<meta name=\"author\" content=\"\u590f\u6a39, \u98a8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u590f\u6a39, \u98a8\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/\",\"name\":\"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-24T06:27:15+00:00\",\"dateModified\":\"2024-03-26T07:14:34+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4e591db2661c4cc425470b461259391d\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4e591db2661c4cc425470b461259391d\",\"name\":\"\u590f\u6a39, \u98a8\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/65e0ff40534461b1fa000382dc194e1716f793ab0bcb218ac3c40895551a08c5?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/65e0ff40534461b1fa000382dc194e1716f793ab0bcb218ac3c40895551a08c5?s=96&d=mm&r=g\",\"caption\":\"\u590f\u6a39, \u98a8\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/natsukikaze\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\/","og_locale":"ja_JP","og_type":"article","og_title":"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5","og_description":"OLEDBCommand\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 1. OLEDBConnection\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u63a5\u7d9a\u3092\u958b\u304f\uff1a &#8220;` OleDbConnection connection = ne [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-\u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-24T06:27:15+00:00","article_modified_time":"2024-03-26T07:14:34+00:00","author":"\u590f\u6a39, \u98a8","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u590f\u6a39, \u98a8"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/","name":"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-24T06:27:15+00:00","dateModified":"2024-03-26T07:14:34+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4e591db2661c4cc425470b461259391d"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"OLEDBCommand \u3067\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6e21\u3059\u65b9\u6cd5"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/4e591db2661c4cc425470b461259391d","name":"\u590f\u6a39, \u98a8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/65e0ff40534461b1fa000382dc194e1716f793ab0bcb218ac3c40895551a08c5?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/65e0ff40534461b1fa000382dc194e1716f793ab0bcb218ac3c40895551a08c5?s=96&d=mm&r=g","caption":"\u590f\u6a39, \u98a8"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/natsukikaze\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/oledbcommand-%e3%81%a7%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%82%92%e6%b8%a1%e3%81%99%e6%96%b9%e6%b3%95\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=124492"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124492\/revisions"}],"predecessor-version":[{"id":138219,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124492\/revisions\/138219"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=124492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=124492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=124492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}