{"id":985,"date":"2020-06-13T09:10:35","date_gmt":"2020-06-13T00:10:35","guid":{"rendered":"https:\/\/www.agtech.co.jp\/techknowledge\/?page_id=985"},"modified":"2025-05-08T11:35:22","modified_gmt":"2025-05-08T02:35:22","slug":"developer","status":"publish","type":"page","link":"https:\/\/www.agtech.co.jp\/techknowledge\/btrieveclasses\/developer\/","title":{"rendered":"\u958b\u767a\u8005\u5411\u3051\u60c5\u5831"},"content":{"rendered":"<section id=\"main\" class=\"marg90\">\r\n<div class=\"productBox\">\r\n\t<h1 class=\"headline08 blue\" id=\"a05\">Btrieve Classes for .NET \u958b\u767a\u8005\u5411\u3051\u60c5\u5831<\/h1>\r\n\t<div class=\"comBox shadowBox\">\r\n\t\t<h2 class=\"h3Ttl deepBlue\" id=\"performance\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3064\u3044\u3066<\/h2>\r\n\t\t<p class=\"cphrase\"> \r\n\t\t\t\u8aad\u307f\u8fbc\u307f\u30b9\u30d4\u30fc\u30c9\u304c\u6570\u500d\u5411\u4e0a\u3057\u307e\u3059\uff01\r\n\t\t<\/p>\r\n\t\t<p>Person \u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u6570\u3092 45,000 \u4ef6\u306b\u5897\u3084\u3057\u3066\u3001ID\u3001First_Name \u3068 Last_Name \u30ab\u30e9\u30e0\u306e\u5024\u3092\u5168\u3066\u30b0\u30ea\u30c3\u30c9\u306b\u8868\u793a\u3059\u308b C# \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3001Actian Zen \u306e ADO.NET \u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3068\u3001Btrieve Classes for .NET \u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3057\u307e\u3057\u305f\u3002\u7d50\u679c\u3001Btrieve Classes for .NET \u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306e\u307b\u3046\u304c\u3001\u683c\u6bb5\u306b\u8aad\u307f\u8fbc\u307f\u30b9\u30d4\u30fc\u30c9\u304c\u901f\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\r\n\r\n\t\t<div class=\"imgArea smlWide\">\r\n\t\t\t<table class=\"bcn_performance\">\r\n\t\t\t\t<tbody>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<th>Access Method<\/th>\r\n\t\t\t\t\t\t<th>1st<\/th>\r\n\t\t\t\t\t\t<th>2nd<\/th>\r\n\t\t\t\t\t\t<th>\u30b3\u30fc\u30c9<\/th>\r\n\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td>Actian Zen ADO.NET Data Provider<\/td>\r\n\t\t\t\t\t\t<td>6.6s<\/td>\r\n\t\t\t\t\t\t<td>360ms<\/td>\r\n\t\t\t\t\t\t<td><a href=\"\/techknowledge\/btrieveclasses\/developer\/#code1\">code1<\/a><\/td>\r\n\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td>Btrieve Classes Extended object<\/td>\r\n\t\t\t\t\t\t<td>320ms<\/td>\r\n\t\t\t\t\t\t<td>300ms<\/td>\r\n\t\t\t\t\t\t<td><a href=\"\/techknowledge\/btrieveclasses\/developer\/#code2\">code2<\/a><\/td>\r\n\t\t\t\t\t<\/tr>\r\n\t\t\t\t<\/tbody>\r\n\t\t\t<\/table><br>\r\n\r\n\t\t\t<p class=\"comTxt\">\r\n\t\t\t\t\u203b Btrieve Classes for .NET 9.0 \u3092 Actian Zen v15 \u4e0a\u3067\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<br>\r\n\t\t\t\t\u203b 2nd \u306e\u30b9\u30d4\u30fc\u30c9\u6e2c\u5b9a\u7d50\u679c\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u679c\u306b\u3088\u308a\u5dee\u304c\u7e2e\u307e\u308a\u307e\u3057\u305f\u3002<br>\t\t\t\t\r\n\t\t\t<\/p>\r\n\t\t<\/div>\r\n\t\t<p class=\"cphrase\"> \r\n\t\t\t\u306a\u305c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u826f\u3044\u306e\u304b\uff1f\r\n\t\t<\/p>\r\n\t\t<p class=\"prgh35\">\r\n\t\t\tActian Zen ADO.NET \u30c7\u30fc\u30bf\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u5834\u5408\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5c64\u304c\u539a\u3044\u4e8b\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7684\u306b\u4e0d\u5229\u306a\u72b6\u6cc1\u306e\u539f\u56e0\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u5f53\u88fd\u54c1\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001C++ \u30a2\u30f3\u30de\u30cd\u30fc\u30b8\u30c9\u30fb\u30b3\u30fc\u30c9\u304b\u3089\u76f4\u63a5 Btrieve API \u3092\u547c\u3073\u51fa\u3059\u5f62\u5f0f\u3067\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30ec\u30a4\u30e4\u30fc\u306f\u975e\u5e38\u306b\u8584\u3044\u69cb\u6210\u3067\u3059\u3002\u30de\u30cd\u30fc\u30b8\u30c9\u30fb\u30c7\u30fc\u30bf\u3078\u306e\u5909\u63db\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u91cf\u304c\u5c11\u306a\u304f\u306a\u308b\u3088\u3046\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002C++ \u3067\u8a18\u8ff0\u3057\u3066\u3044\u308b\u306e\u306f\u3001C# \u7b49\u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u306a\u30de\u30fc\u30b7\u30e3 \u30ea\u30f3\u30b0\u3088\u308a\u3082\u7d30\u304b\u304f\u30de\u30fc\u30b7\u30e3\u30ea\u30f3\u30b0\u3092\u5236\u5fa1\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u304b\u3089\u3067\u3059\u3002\r\n\t\t<\/p>\r\n\t\t<p class=\"prgh35\">\r\n\t\t\t\u307e\u305f\u3001Actian Zen ADO.NET \u30c7\u30fc\u30bf \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3067\u306f\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30ea\u30f3\u30b0\u3084 SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u306a\u3069\u3001SQL \u30af\u30a8\u30ea\u306e\u5927\u91cf\u975e\u540c\u671f\u5b9f\u884c\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u6a5f\u80fd\u304c\u591a\u6570\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5f53\u793e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f Btrieve \u5c02\u7528\u306a\u306e\u3067\u3001\u305d\u3046\u3057\u305f SQL \u30d9\u30fc\u30b9\u306e\u6a5f\u80fd\u306b\u95a2\u9023\u3059\u308b\u521d\u671f\u5316\u3084\u7ba1\u7406\u306b\u304b\u304b\u308b\u30b3\u30fc\u30c9\u3001\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u3001CPU \u306e\u51e6\u7406\u6642\u9593\u306f\u4e00\u5207\u3042\u308a\u307e\u305b\u3093\u3002\u5f53\u793e\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u304c Btrieve \u306b\u7279\u5316\u3057\u3066\u3044\u308b\u305f\u3081\u3001SQL \u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u306a\u3044\u3053\u3068\u304c\u3053\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u751f\u307f\u51fa\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u307e\u3059\u3002\r\n\t\t<\/p>\r\n\t\t<p>\r\n\t\t\t\u4eca\u56de BTRVEX API \u3092\u63a1\u7528\u3057\u3001Extended \u30af\u30e9\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u5411\u4e0a\u3057\u307e\u3057\u305f\u3002\u6d88\u8cbb\u3059\u308b\u30e1\u30e2\u30ea\u3082 ADO.NET \u306b\u6bd4\u3079\u3066\u534a\u5206\u7a0b\u5ea6\u306a\u306e\u3067\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u5229\u7528\u3082\u512a\u4f4d\u6027\u304c\u3042\u308a\u307e\u3059\u3002\r\n\t\t<\/p>\r\n\t<\/div>\r\n<\/div>\r\n\r\n\r\n<div class=\"productBox\">\r\n\t<div class=\"comBox shadowBox\">\r\n\t\t<h2 class=\"h3Ttl deepBlue\" id=\"comparison\">\u30d0\u30fc\u30b8\u30e7\u30f3\u6bce\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066<\/h2>\r\n\t\t<div class=\"comparison-whole-box\">\r\n\t\t\t<div class=\"comparison-overview-box\">\r\n  \t\t\t\t<p>\r\n\t\t\t\t\tBtrieve Class for .NET \u306e\u4e3b\u306a\u6a5f\u80fd\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u9593\u3067\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002<br>\r\n\t\t\t\t\t\uff08\u3007\uff1a\u5bfe\u5fdc\u6e08\u307f\uff09<br><br>\r\n\t\t\t\t\t\u203b \u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u306b\u3064\u3044\u3066\u306f<a href=\"\/techknowledge\/btrieveclasses\/product\/#a04\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u3061\u3089<\/a>\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002\r\n  \t\t\t\t<\/p>\r\n\t\t\t<\/div> \r\n\r\n\t\t\t<p class=\"rtext\">\u203b\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\r\n\t\t\t<p class=\"rtext\"><a href=\"\/techknowledge\/btrieveclasses\/pdf\/Version-comparison.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\u6bd4\u8f03\u8868\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3053\u3061\u3089\uff08PDF\uff09<\/a><\/p>\r\n\r\n\r\n\t\t\t<div class=\"comparison-table-box\">\r\n\t\t\t\t<table class=\"comparison-table\">\r\n\t\t\t\t\t<tbody>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<th>\u4e3b\u306a\u6a5f\u80fd<\/th>\r\n\t\t\t\t\t\t\t<th>v6<\/th>\r\n\t\t\t\t\t\t\t<th>v7<\/th>\r\n\t\t\t\t\t\t\t<th>v8<\/th>\r\n\t\t\t\t\t\t\t<th>v9<\/th>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>\u30e9\u30f3\u30bf\u30a4\u30e0\u30d5\u30ea\u30fc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\t\u5b9f\u884c\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7121\u511f\u3067\u914d\u5e03\u53ef\u80fd<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>LINQ\uff08\u7d71\u5408\u8a00\u8a9e\u30af\u30a8\u30ea\uff09\u306b\u5bfe\u5fdc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tBtrieve \u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066 LINQ \u30af\u30a8\u30ea\u30fc\u306e\u4f7f\u7528\u53ef\u80fd<br><br>\r\n\t\t\t\t\t\t\t\t<a href=\"\/techknowledge\/btrieveclasses\/developer\/#code4\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089<\/a><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>Unicode \u5f62\u5f0f\u306e\u6587\u5b57\u5217\u30c7\u30fc\u30bf\u578b\u306b\u5bfe\u5fdc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tActian Zen \u306e\u30c7\u30fc\u30bf\u578b NCHAR \u3068 NVARCHAR \u3092\u30b5\u30dd\u30fc\u30c8<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>Metadata V2 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5bfe\u5fdc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tActian Zen \u306e\u6700\u65b0\u30e1\u30bf\u30c7\u30fc\u30bf\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30b5\u30dd\u30fc\u30c8<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>DDF \u30af\u30e9\u30b9\u306b\u3066 CLIENT ID \u306b\u5bfe\u5fdc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\t\u8907\u6570\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u4e26\u5217\u5b9f\u884c\u3092\u30b5\u30dd\u30fc\u30c8<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>.NET Core 3.1\u3001.NET 5 \uff5e 9 \u306b\u5bfe\u5fdc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tBlazor \u3092\u542b\u3080\u6700\u65b0\u306e .NET \u74b0\u5883\u3067\u306e\u958b\u767a\u53ef\u80fd<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>Extended \u30af\u30e9\u30b9\u306e\u6a5f\u80fd\u5f37\u5316<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tAddFields \u30e1\u30bd\u30c3\u30c9\u3068 FillAll \u30e1\u30bd\u30c3\u30c9\u306e\u8ffd\u52a0\u306b\u3088\u3063\u3066\u3001Extended \u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u3088\u308a\u7c21\u5358\u306b\u4f7f\u7528\u53ef\u80fd<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>BTRVEX API \u306b\u3088\u308b Extended \u30af\u30e9\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tBtrieve \u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30fc\u30bf\u51e6\u7406\u3067\u3001\u3088\u308a\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5b9f\u73fe<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>Actian Zen \u306e\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u578b AUTOTIMESTAMP \u3068 TIMESTAMP2 \u306e\u5bfe\u5fdc<\/strong><br><br>\r\n\t\t\t\t\t\t\t\t\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u3001\u3088\u308a\u7c21\u5358\u306b\u5b9f\u884c\u53ef\u80fd<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t\t<td><strong>\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u30d3\u30eb\u30c0\u30fc\u306e VSIX \u5bfe\u5fdc\u3068 Entity class \u751f\u6210\u6a5f\u80fd\u306e\u8ffd\u52a0<\/strong><br><br>\r\n\t\t\t\t\t\t\t\tVisual Studio 2022 \u3068\u306e\u7d71\u5408\u3068 Entity \u30af\u30e9\u30b9\u751f\u6210\u3092\u30b5\u30dd\u30fc\u30c8<\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td><\/td>\r\n\t\t\t\t\t\t\t<td>\u3007<\/td>\r\n\t\t\t\t\t\t<\/tr>\r\n\t\t\t\t\t<\/tbody>\r\n\t\t\t\t<\/table>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t<\/div>\r\n\r\n\r\n\r\n<\/div>\r\n\r\n<div class=\"solutionBox deepBlue\" id=\"a04\">\r\n\t<h2 class=\"headline08\" id=\"sample_code\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h2>\r\n\t<div class=\"comBox shadowBox samplecode_list\">\r\n\t\t<ul class=\"comTxtUl03\">\r\n\t\t\t<li id=\"code1\">\r\n\t\t\t\t<h3 class=\"headline09\">Actian Zen ADO.NET Data Provider \u306b\u3088\u308b<br>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9<\/h3>\r\n\t\t\t\t<pre class=\"samplecode\">\r\nstring connStr = \"Server DSN=Demodata\";\r\nPsqlConnection conn = new PsqlConnection(connStr);\r\ntry\r\n{   \r\n\tconn.Open();\r\n\tstring sql = \"select ID,First_Name,Last_Name from person order by id\";\r\n\tvar cmd = new PsqlCommand(sql, conn);\r\n\tvar adapter = new PsqlDataAdapter(cmd);\r\n\tvar dt = new DataTable(\"Person\");\r\n\tadapter.Fill(dt);\r\n\tconn.Close();\r\n\tdgv.DataSource = dt;    \/\/ dgv = DataGridView\r\n}\r\ncatch (PsqlException err)\r\n{\r\n\tConsole.WriteLine(err.ToString());\r\n}\r\n\t\t\t\t<\/pre>\r\n\t\t\t<\/li>\r\n\r\n\r\n\t\t\t<li id=\"code2\">\r\n\t\t\t\t<h3 class=\"headline09\">Btrieve Classes for .NET Extended Object \u306b\u3088\u308b<br>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9<\/h3>\r\n\t\t\t\t<pre class=\"samplecode\">\r\ntry\r\n{\r\n\tvar ddf = new BtLib.Ddf(\"btrv:\/\/\/demodata\");\r\n\tvar rec = ddf.GetRecord(\"Person\");\r\n\trec.Open();\r\n\trec.Index = \"ID\";\r\n\tshort rc = rec.Read(BtLib.Operation.GetFirst);\r\n\tvar ex = rec.GetExtended(100,32767);\r\n\tex.AddFields(new string[] { \"ID\", \"First_Name\", \"Last_Name\" });\r\n\tvar ds = ex.GetDataSet();\r\n\trc = ex.FillAll(ds);\r\n\tdgv.DataSource = ds.Tables[0];  \/\/ dgv = DataGridView\r\n\trec.Close();\r\n\tddf.LogOut();\r\n}\r\ncatch (System.Exception err)\r\n{\r\n\tConsole.WriteLine(err.ToString());\r\n}\r\n\t\t\t\t<\/pre>\r\n\t\t\t<\/li>\r\n\r\n\r\n\t\t\t<li id=\"code3\">\r\n\r\n\t\t\t<\/li>\r\n\r\n\r\n\r\n\t\t\t<li>\r\n\t\t\t\t<h3 id=\"code4\" class=\"headline09\">LINQ \u30b5\u30dd\u30fc\u30c8\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb<\/h3>\r\n\t\t\t\t<pre class=\"samplecode\">\r\ntry\r\n{\r\n\tBtLib.Ddf d = new BtLib.Ddf(\"btrv:\/\/\/demodata\");\r\n\tBtLib.Record r = d.GetRecord(\"person\");\r\n\tr.Open();\r\n\tvar query = from p in r.Query&lt;Person&gt;(0)\r\n\twhere p.First_Name == \"William\"\r\n\tselect p;\r\n\tforeach (var person in query)\r\n\t{\r\n\t\tlistBox1.Items.Add(person.First_Name + \" \" + person.Last_Name + \" \" +\r\n\t\tperson.Perm_Street);\r\n\t}\r\n\tr.Close();\r\n\td.LogOut();\r\n}\r\ncatch (System.Exception er)\r\n{\r\n\tSystem.Diagnostics.Debug.WriteLine(er.ToString());\r\n}\r\n\r\npublic class Person\r\n{\r\n\tprivate string _first_Name;\r\n\tprivate string _last_Name;\r\n\tprivate string _perm_Street;\r\n\r\n\tpublic String First_Name\r\n\t{\r\n\t\tget { return _first_Name; }\r\n\t\tset { _first_Name = value; }\r\n\t}\r\n\r\n\tpublic String Last_Name\r\n\t{\r\n\t\tget { return _last_Name; }\r\n\t\tset { _last_Name = value; }\r\n\t}\r\n\r\n\tpublic string Perm_Street\r\n\t{\r\n\t\tget { return _perm_Street; }\r\n\t\tset { _perm_Street = value; }\r\n\t}\r\n}\r\n\t\t\t\t<\/pre>\r\n\t\t\t<\/li>\r\n\t\t\t<li>\r\n\t\t\t\t<h3 id=\"code5\" class=\"headline09\">Btrieve Classes for .NET \u306b\u3088\u308b<br>\u30b0\u30ea\u30c3\u30c9\u30c7\u30fc\u30bf\u8868\u793a<\/h3>\r\n\t\t\t\t<pre class=\"samplecode\">\r\ntry\r\n{\r\n\tBtLib.Ddf ddf = new BtLib.Ddf(\"btrv:\/\/\/demodata\");\r\n\tBtLib.Record r = ddf.GetRecord(\"Person\");\r\n\tr.Open();\r\n\tDataSet ds = r.GetDataSet();\t\t\/\/ \u308f\u305a\u304b\uff11\u884c\u3067DataSet\u751f\u6210\r\n\tr.Close();\r\n\tdataGrid1.SetDataBinding(ds,\"Person\");\t\/\/ \u30b0\u30ea\u30c3\u30c9\u306b\u30d0\u30a4\u30f3\u30c9\u3057\u307e\u3059\u3002\r\n\tddf.LogOut();\r\n}\r\ncatch( System.Exception er)\r\n{\r\n\tSystem.Diagnostics.Debug.WriteLine(er.ToString());\r\n}\r\n\t\t\t\t<\/pre>\r\n\t\t\t<\/li>\r\n\t\t<\/ul>\r\n\t<\/div>\r\n<\/div>\r\n<\/section>","protected":false},"excerpt":{"rendered":"Btrieve Classes for .NET \u958b\u767a\u8005\u5411\u3051\u60c5\u5831 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3064\u3044\u3066 \u8aad\u307f\u8fbc\u307f\u30b9\u30d4\u30fc\u30c9\u304c\u6570\u500d\u5411\u4e0a\u3057\u307e\u3059\uff01 Person \u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u6570\u3092 45,000 \u4ef6\u306b\u5897\u3084\u3057\u3066\u3001ID\u3001First_Name  [&hellip;]","protected":false},"author":2,"featured_media":0,"parent":868,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/pages\/985"}],"collection":[{"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/comments?post=985"}],"version-history":[{"count":16,"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/pages\/985\/revisions"}],"predecessor-version":[{"id":1372,"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/pages\/985\/revisions\/1372"}],"up":[{"embeddable":true,"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/pages\/868"}],"wp:attachment":[{"href":"https:\/\/www.agtech.co.jp\/techknowledge\/wp-json\/wp\/v2\/media?parent=985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}