{"id":107,"date":"2018-12-06T21:35:57","date_gmt":"2018-12-06T12:35:57","guid":{"rendered":"https:\/\/r-side.net\/?p=107"},"modified":"2020-05-09T15:56:37","modified_gmt":"2020-05-09T06:56:37","slug":"post-107","status":"publish","type":"post","link":"https:\/\/r-side.net\/?p=107","title":{"rendered":"VB.NET2015\u304b\u3089SQL Server\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b(ADO.NET)"},"content":{"rendered":"<p>SQL\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001SELECT\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<br \/>\nSqlCommand\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001CommandText\u306bSQL\u6587\u3092\u6307\u5b9a\u3057\u3066\u3001ExecuteReader()\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:vbnet decode:true\" title=\"Select\u6587\u3067\u3059\u3079\u3066\u3092\u53d6\u5f97\">    '\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\r\n    Private Sub SqlSelect()\r\n        Dim command As System.Data.SqlClient.SqlCommand = Con.CreateCommand()\r\n        '\u5b9f\u884c\u3059\u308bSQL\u30af\u30a8\u30ea\u30fc\u3092\u6307\u5b9a\r\n        command.CommandText = \"SELECT * FROM FileList\"\r\n        '\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304f\u308b\u307e\u3067\u5f85\u6a5f\u3059\u308b\u79d2\u6570\r\n        command.CommandTimeout = 30\r\n        ' \u6307\u5b9a\u3057\u305f SQL \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066 SqlDataReader \u3092\u69cb\u7bc9\u3059\u308b\r\n        Dim reader As System.Data.SqlClient.SqlDataReader = command.ExecuteReader()\r\n        command.Dispose()\r\n        '\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u8868\u793a\r\n        While (reader.Read())\r\n            Debug.Print(reader(0).ToString + \",\" + reader(1).ToString + \",\" + reader(2).ToString)\r\n            Debug.Print(reader(\"Name\").ToString + \",\" + reader(\"Date\").ToString + \",\" + reader(\"Size\").ToString)\r\n        End While\r\n        reader.Close()\r\n    End Sub<\/pre>\n<pre class=\"lang:c# decode:true\" title=\"Select\u6587\u3067\u3059\u3079\u3066\u3092\u53d6\u5f97(C#)\">\/\/\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\r\nprivate void SqlSelect() {\r\n    System.Data.SqlClient.SqlCommand command = Con.CreateCommand();\r\n    \/\/\u5b9f\u884c\u3059\u308bSQL\u30af\u30a8\u30ea\u30fc\u3092\u6307\u5b9a\r\n    command.CommandText = \"SELECT * FROM FileList\";\r\n    \/\/\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304f\u308b\u307e\u3067\u5f85\u6a5f\u3059\u308b\u79d2\u6570\r\n    command.CommandTimeout = 30;\r\n    \/\/\u6307\u5b9a\u3057\u305f SQL \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066 SqlDataReader \u3092\u69cb\u7bc9\u3059\u308b\r\n    System.Data.SqlClient.SqlDataReader reader = command.ExecuteReader();\r\n    command.Dispose();\r\n    \/\/\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u8868\u793a\r\n    while (reader.Read()) {\r\n        Console.WriteLine(reader[0].ToString() + \",\" + reader[1].ToString() + \",\" + reader[2].ToString());\r\n        Console.WriteLine(reader[\"Name\"].ToString() + \",\" + reader[\"Date\"].ToString() + \",\" + reader[\"Size\"].ToString());\r\n    }\r\n    reader.Close();\r\n}<\/pre>\n<p>\u4f7f\u3044\u65b9\u306f\u3001<br \/>\n\u30fbDim command As System.Data.SqlClient.SqlCommand = Con.CreateCommand()<br \/>\n\u3000\u306b\u3066\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u306econ\u304b\u3089SqlCommand\u30af\u30e9\u30b9\u3092\u4f5c\u308a\u307e\u3059\u3002<br \/>\n\u30fbcommand.CommandText =\u00a0&#8220;SELECT * FROM FileList&#8221;<br \/>\n\u3000\u306b\u3066\u3001\u5b9f\u884c\u3059\u308bSQL\u6587\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u306e\u5168\u9805\u76ee\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u3001*\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\n\u3000\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u3001\u4f8b\u3048\u3070\u30b5\u30a4\u30ba\u304c1000\u672a\u6e80\u3067\u3042\u308c\u3070<br \/>\n\u3000&#8221; WHERE Size &lt; 1000&#8243;\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\n\u30fbDim reader As System.Data.SqlClient.SqlDataReader = command.ExecuteReader()<br \/>\n\u3000SqlDataReader\u30af\u30e9\u30b9\u3092\u4f5c\u308a\u3001ExecuteReader()\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u30fbreader.Read()\u304cTrue\u306e\u9593\u3001\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u3002<br \/>\n\u3000\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u30c7\u30fc\u30bf\u304c\u8907\u6570\u3042\u308b\u5834\u5408\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<br \/>\n\u3000\u914d\u5217\u3068\u3057\u3066Index\u3092\u6307\u5b9a\u3059\u308b\u304b\u540d\u524d\u3092\u6307\u5b9a\u3059\u308c\u3070\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3000\u5f53\u7136\u3067\u3059\u304c\u3001\u5b58\u5728\u3057\u306a\u3044\u540d\u524d\u3084Index\u3092\u6307\u5b9a\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u5909\u6570\u3092\u4f7f\u3046\u306a\u3069\u3001SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306b\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQL\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f\u3001SELECT\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 SqlCommand\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001CommandText\u306bSQL\u6587\u3092\u6307\u5b9a\u3057\u3066\u3001ExecuteReader()\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 &#8216;\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53d6\u5f97 P [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[27,19,18],"class_list":["post-107","post","type-post","status-publish","format-standard","hentry","category-vbsql","tag-c","tag-sql","tag-vb-net"],"_links":{"self":[{"href":"https:\/\/r-side.net\/index.php?rest_route=\/wp\/v2\/posts\/107","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/r-side.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/r-side.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/r-side.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/r-side.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=107"}],"version-history":[{"count":5,"href":"https:\/\/r-side.net\/index.php?rest_route=\/wp\/v2\/posts\/107\/revisions"}],"predecessor-version":[{"id":143,"href":"https:\/\/r-side.net\/index.php?rest_route=\/wp\/v2\/posts\/107\/revisions\/143"}],"wp:attachment":[{"href":"https:\/\/r-side.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/r-side.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/r-side.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}