{"id":2864,"date":"2020-11-13T19:50:36","date_gmt":"2020-11-13T10:50:36","guid":{"rendered":"https:\/\/extan.jp\/?p=2864"},"modified":"2022-01-03T23:59:31","modified_gmt":"2022-01-03T14:59:31","slug":"vba-%e3%82%a8%e3%83%a9%e3%83%bc-94%e3%80%8cnull-%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%8c%e4%b8%8d%e6%ad%a3%e3%81%a7%e3%81%99%e3%80%82%e3%80%8d%e3%81%ae%e5%8e%9f%e5%9b%a0%e3%81%a8%e5%af%be","status":"publish","type":"post","link":"https:\/\/extan.jp\/?p=2864","title":{"rendered":"VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306e\u539f\u56e0\u3068\u5bfe\u51e6\u65b9\u6cd5"},"content":{"rendered":"<p>VBA\u3092\u5b9f\u884c\u3059\u308b\u3068VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u3092\u898b\u308b\u6a5f\u4f1a\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n<p>\u30b3\u30fc\u30c9\u3092\u307f\u3066\u3082\u8aa4\u3063\u305f\u7b87\u6240\u304c\u308f\u304b\u3089\u305a\u9014\u65b9\u306b\u66ae\u308c\u308b\u5834\u5408\u3082\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a\u4e2d\u3067\u60a9\u3080\u3053\u3068\u306f\u3001<\/p>\n<div class=\"kininarukoto1\">\u30fbVBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306e\u539f\u56e0\u306f\u306a\u306b\uff1f<br \/>\n\u30fbVBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306e\u5bfe\u51e6\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\uff1f<\/div>\n<p>\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f <\/p>\n<p>\u4eca\u56de\u306f\u3001<\/p>\n<div class=\"rdinfo\">\u30fbVBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306e\u539f\u56e0\u3068\u30b5\u30af\u3063\u3068\u3067\u304d\u308b\u5bfe\u51e6\u65b9\u6cd5<\/div>\n<p>\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\uff01<\/p>\n<p><script><\/p>\n<p><\/script><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\">\u3082\u304f\u3058<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/extan.jp\/?p=2864\/#VBA_%E3%82%A8%E3%83%A9%E3%83%BC_94%E3%80%8CNull_%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%8C%E4%B8%8D%E6%AD%A3%E3%81%A7%E3%81%99%E3%80%82%E3%80%8D%E3%81%AF%E3%81%A9%E3%82%93%E3%81%AA%E3%82%A8%E3%83%A9%E3%83%BC%EF%BC%9F\" title=\"VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306f\u3069\u3093\u306a\u30a8\u30e9\u30fc\uff1f\">VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306f\u3069\u3093\u306a\u30a8\u30e9\u30fc\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/extan.jp\/?p=2864\/#VBA_%E3%82%A8%E3%83%A9%E3%83%BC_94%E3%81%AE%E5%8E%9F%E5%9B%A0%E2%91%A0%E3%80%8C%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E8%AA%AD%E8%BE%BC%E3%81%AE%E6%88%BB%E3%82%8A%E5%80%A4%E3%81%AA%E3%81%A9%E3%81%A7Null%E5%80%A4%E3%81%8C%E3%81%82%E3%82%8A%E5%A4%89%E6%95%B0%E3%81%AB%E6%A0%BC%E7%B4%8D%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AB%E7%99%BA%E7%94%9F%E3%80%8D\" title=\"VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d\">VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/extan.jp\/?p=2864\/#VBA_%E3%82%A8%E3%83%A9%E3%83%BC_94%E3%81%AE%E5%8E%9F%E5%9B%A0%E2%91%A0%E3%80%8C%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E8%AA%AD%E8%BE%BC%E3%81%AE%E6%88%BB%E3%82%8A%E5%80%A4%E3%81%AA%E3%81%A9%E3%81%A7Null%E5%80%A4%E3%81%8C%E3%81%82%E3%82%8A%E5%A4%89%E6%95%B0%E3%81%AB%E6%A0%BC%E7%B4%8D%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AB%E7%99%BA%E7%94%9F%E3%80%8D%E3%81%AE%E5%AF%BE%E5%87%A6%E6%96%B9%E6%B3%95%E3%81%AFNull%E5%80%A4%E3%82%92%E5%9B%9E%E9%81%BF%E3%81%99%E3%82%8B\" title=\"VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d\u306e\u5bfe\u51e6\u65b9\u6cd5\u306fNull\u5024\u3092\u56de\u907f\u3059\u308b\">VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d\u306e\u5bfe\u51e6\u65b9\u6cd5\u306fNull\u5024\u3092\u56de\u907f\u3059\u308b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/extan.jp\/?p=2864\/#Null%E5%80%A4%E3%81%8C%E5%85%A5%E3%82%8B%E5%8F%AF%E8%83%BD%E6%80%A7%E3%81%8C%E3%81%82%E3%82%8B%E5%A4%89%E6%95%B0%E3%82%92%E3%81%99%E3%81%B9%E3%81%A6%E3%83%90%E3%83%AA%E3%82%A2%E3%83%B3%E3%83%88%EF%BC%88Variant%EF%BC%89%E5%9E%8B%E3%81%AB%E3%81%99%E3%82%8B\" title=\"Null\u5024\u304c\u5165\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5909\u6570\u3092\u3059\u3079\u3066\u30d0\u30ea\u30a2\u30f3\u30c8\uff08Variant\uff09\u578b\u306b\u3059\u308b\">Null\u5024\u304c\u5165\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5909\u6570\u3092\u3059\u3079\u3066\u30d0\u30ea\u30a2\u30f3\u30c8\uff08Variant\uff09\u578b\u306b\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/extan.jp\/?p=2864\/#IsNull%E9%96%A2%E6%95%B0%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%A6%E3%80%81%E5%A4%89%E6%95%B0%E3%81%ABNull%E3%81%8C%E5%90%AB%E3%81%BE%E3%82%8C%E3%82%8B%E3%81%8B%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%81%97%E5%90%AB%E3%81%BE%E3%82%8C%E3%82%8B%E5%A0%B4%E5%90%88%E3%81%AF%E5%80%A4%E3%82%92%E5%A4%89%E6%8F%9B%E3%81%99%E3%82%8B\" title=\"IsNull\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u5909\u6570\u306bNull\u304c\u542b\u307e\u308c\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u542b\u307e\u308c\u308b\u5834\u5408\u306f\u5024\u3092\u5909\u63db\u3059\u308b\">IsNull\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u5909\u6570\u306bNull\u304c\u542b\u307e\u308c\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u542b\u307e\u308c\u308b\u5834\u5408\u306f\u5024\u3092\u5909\u63db\u3059\u308b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/extan.jp\/?p=2864\/#Access%E3%81%AEIIF%E9%96%A2%E6%95%B0%E3%80%81ISNULL%E9%96%A2%E6%95%B0%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6Null%E3%82%920%E3%81%8B%E2%80%9D%E2%80%9D%E3%81%AB%E3%81%99%E3%82%8B\" title=\"Access\u306eIIF\u95a2\u6570\u3001ISNULL\u95a2\u6570\u3092\u4f7f\u3063\u3066Null\u30920\u304b&#8221;&#8221;\u306b\u3059\u308b\">Access\u306eIIF\u95a2\u6570\u3001ISNULL\u95a2\u6570\u3092\u4f7f\u3063\u3066Null\u30920\u304b&#8221;&#8221;\u306b\u3059\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/extan.jp\/?p=2864\/#%E3%81%95%E3%81%84%E3%81%94%E3%81%AB\" title=\"\u3055\u3044\u3054\u306b\">\u3055\u3044\u3054\u306b<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"VBA_%E3%82%A8%E3%83%A9%E3%83%BC_94%E3%80%8CNull_%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%8C%E4%B8%8D%E6%AD%A3%E3%81%A7%E3%81%99%E3%80%82%E3%80%8D%E3%81%AF%E3%81%A9%E3%82%93%E3%81%AA%E3%82%A8%E3%83%A9%E3%83%BC%EF%BC%9F\"><\/span>VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306f\u3069\u3093\u306a\u30a8\u30e9\u30fc\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306f\u3001\u53c2\u7167\u5143\u30c7\u30fc\u30bf\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u304a\u3044\u3066\u7a7a(Null)\u306e\u5024\u3092VBA\u306a\u3069\u3067\u8aad\u307f\u8fbc\u3093\u3067\u3001\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u3068\u304d\u306bNull\u5024\u304c\u3042\u308a\u3001\u305d\u306e\u5024\u3092\u6587\u5b57\u5217\u306b\u5909\u63db\u3067\u304d\u306a\u3044\u305f\u3081\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n<p><!--\u5439\u304d\u51fa\u3057\u306f\u3058\u307e\u308a--><\/p>\n<div class=\"balloon5\">\n<div class=\"faceicon\">\n<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/11\/taka_kao.gif\" alt=\"\u30bf\u30ab\u30d2\u30ed\" width=\"110\" height=\"110\" \/>\n<div class=\"faceiconfont\">\u30bf\u30ab\u30d2\u30ed<\/div>\n<\/div>\n<div class=\"chatting\">\n<div class=\"says\">Accesss\u3068Excel\u306e\u9023\u643a\u6642\u306b\u3088\u304f\u51fa\u304f\u308f\u3057\u307e\u3059\u306d\u3002<\/div>\n<\/div>\n<\/div>\n<p><!--\u5439\u304d\u51fa\u3057\u7d42\u308f\u308a--><\/p>\n<p><script><\/p>\n<p><\/script><\/p>\n<h2><span class=\"ez-toc-section\" id=\"VBA_%E3%82%A8%E3%83%A9%E3%83%BC_94%E3%81%AE%E5%8E%9F%E5%9B%A0%E2%91%A0%E3%80%8C%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E8%AA%AD%E8%BE%BC%E3%81%AE%E6%88%BB%E3%82%8A%E5%80%A4%E3%81%AA%E3%81%A9%E3%81%A7Null%E5%80%A4%E3%81%8C%E3%81%82%E3%82%8A%E5%A4%89%E6%95%B0%E3%81%AB%E6%A0%BC%E7%B4%8D%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AB%E7%99%BA%E7%94%9F%E3%80%8D\"><\/span>VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>VBA \u30a8\u30e9\u30fc 94\u300cNull\u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306f\u3001\u4e0a\u8a18\u306e\u901a\u308aAccesss\u306a\u3069\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u304a\u3044\u3066\u7a7a(Null)\u306e\u5024\u3092VBA\u306a\u3069\u3067\u8aad\u307f\u8fbc\u3093\u3067\u3001\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u3068\u304d\u306b\u3001Null\u3092\u6587\u5b57\u5217\u306b\u5909\u63db\u3067\u304d\u306a\u3044\u305f\u3081\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>VBA\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3067Null\u5024\u3092\u6271\u3046\u5834\u5408\u306f\u5909\u6570\u306e\u578b\u306fVariant\u578b\u306b\u9650\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u3001\u6587\u5b57\u5217\u306eString\u578b\u3084\u6570\u5024\u306eInteger\u578b\u3067\u5ba3\u8a00\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u578b\u304c\u5408\u3044\u307e\u305b\u3093\u306e\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<pre style=\"padding: 0;\"><code class=\"language-visual-basic\">Sub \u30a8\u30e9\u30fc\u30c6\u30b9\u30c81()\n\n    Dim intNull As Integer\n    \n    intNull = Null\n\nEnd Sub<\/code><\/pre>\n<p>\u306f\u3044\u3001\u3067\u307e\u3057\u305f\u306d\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/extan.jp\/wp-content\/uploads\/2020\/11\/111320_1057_1.png\" alt=\"\" width=\"277\" height=\"196\" class=\"alignnone size-full wp-image-2870\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"VBA_%E3%82%A8%E3%83%A9%E3%83%BC_94%E3%81%AE%E5%8E%9F%E5%9B%A0%E2%91%A0%E3%80%8C%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E8%AA%AD%E8%BE%BC%E3%81%AE%E6%88%BB%E3%82%8A%E5%80%A4%E3%81%AA%E3%81%A9%E3%81%A7Null%E5%80%A4%E3%81%8C%E3%81%82%E3%82%8A%E5%A4%89%E6%95%B0%E3%81%AB%E6%A0%BC%E7%B4%8D%E3%81%A7%E3%81%8D%E3%81%AA%E3%81%84%E5%A0%B4%E5%90%88%E3%81%AB%E7%99%BA%E7%94%9F%E3%80%8D%E3%81%AE%E5%AF%BE%E5%87%A6%E6%96%B9%E6%B3%95%E3%81%AFNull%E5%80%A4%E3%82%92%E5%9B%9E%E9%81%BF%E3%81%99%E3%82%8B\"><\/span>VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d\u306e\u5bfe\u51e6\u65b9\u6cd5\u306fNull\u5024\u3092\u56de\u907f\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>VBA \u30a8\u30e9\u30fc 94\u306e\u539f\u56e0\u2460\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8aad\u8fbc\u306e\u623b\u308a\u5024\u306a\u3069\u3067Null\u5024\u304c\u3042\u308a\u5909\u6570\u306b\u683c\u7d0d\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u300d\u306e\u5bfe\u51e6\u65b9\u6cd5\u306fNull\u5024\u3092\u56de\u907f\u3059\u308b\u51e6\u7406\u3092\u52a0\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Null%E5%80%A4%E3%81%8C%E5%85%A5%E3%82%8B%E5%8F%AF%E8%83%BD%E6%80%A7%E3%81%8C%E3%81%82%E3%82%8B%E5%A4%89%E6%95%B0%E3%82%92%E3%81%99%E3%81%B9%E3%81%A6%E3%83%90%E3%83%AA%E3%82%A2%E3%83%B3%E3%83%88%EF%BC%88Variant%EF%BC%89%E5%9E%8B%E3%81%AB%E3%81%99%E3%82%8B\"><\/span>Null\u5024\u304c\u5165\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5909\u6570\u3092\u3059\u3079\u3066\u30d0\u30ea\u30a2\u30f3\u30c8\uff08Variant\uff09\u578b\u306b\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e00\u756a\u7c21\u5358\u306a\u65b9\u6cd5\u306fNull\u5024\u304c\u5165\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5909\u6570\u3092\u3059\u3079\u3066\u30d0\u30ea\u30a2\u30f3\u30c8\uff08Variant\uff09\u578b\u306b\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30d0\u30ea\u30a2\u30f3\u30c8\u578b\u306f\u6574\u6570\u3084\u6587\u5b57\u5217\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u3069\u306a\u3093\u3067\u3082OK\u306e\u4e07\u80fd\u306a\u578b\u3067\u3059\u304c\u3001<\/p>\n<p>\u3057\u3063\u304b\u308a\u5909\u6570\u306e\u578b\u3092\u6c7a\u3081\u305f\u3044\u65b9\u306f\u3061\u3087\u3063\u3068&#8230;<\/p>\n<p>\u3068\u601d\u3046\u65b9\u3082\u3044\u3089\u3063\u3057\u3083\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre style=\"padding: 0;\"><code class=\"language-visual-basic\">Sub \u30a8\u30e9\u30fc\u30c6\u30b9\u30c81aR()\n\n    Dim intNull As Variant\n    \n    intNull = Null\n\nEnd Sub<\/code><\/pre>\n<p><!--\u5439\u304d\u51fa\u3057\u306f\u3058\u307e\u308a--><\/p>\n<div class=\"balloon5\">\n<div class=\"faceicon\">\n<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/11\/taka_kao.gif\" alt=\"\u30bf\u30ab\u30d2\u30ed\" width=\"110\" height=\"110\" \/>\n<div class=\"faceiconfont\">\u30bf\u30ab\u30d2\u30ed<\/div>\n<\/div>\n<div class=\"chatting\">\n<div class=\"says\">\u307e\u3042\u3001\u5c0f\u898f\u6a21\u3001\u5358\u4f53\u3067\u4f7f\u3046\u5206\u306b\u306f\u30d0\u30ea\u30a2\u30f3\u30c8\u578b\u3057\u307e\u304f\u308a\u3067\u3082\u3088\u3044\u306e\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p><!--\u5439\u304d\u51fa\u3057\u7d42\u308f\u308a--><\/p>\n<h3><span class=\"ez-toc-section\" id=\"IsNull%E9%96%A2%E6%95%B0%E3%82%92%E4%BD%BF%E7%94%A8%E3%81%97%E3%81%A6%E3%80%81%E5%A4%89%E6%95%B0%E3%81%ABNull%E3%81%8C%E5%90%AB%E3%81%BE%E3%82%8C%E3%82%8B%E3%81%8B%E3%83%81%E3%82%A7%E3%83%83%E3%82%AF%E3%81%97%E5%90%AB%E3%81%BE%E3%82%8C%E3%82%8B%E5%A0%B4%E5%90%88%E3%81%AF%E5%80%A4%E3%82%92%E5%A4%89%E6%8F%9B%E3%81%99%E3%82%8B\"><\/span>IsNull\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u5909\u6570\u306bNull\u304c\u542b\u307e\u308c\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u542b\u307e\u308c\u308b\u5834\u5408\u306f\u5024\u3092\u5909\u63db\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>IsNull\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u5909\u6570\u306bNull\u304c\u542b\u307e\u308c\u308b\u304b\u30c1\u30a7\u30c3\u30af\u3057\u542b\u307e\u308c\u308b\u5834\u5408\u306f\u5024\u3092\u5909\u63db\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<br \/>\nNull\u5024\u3092\u542b\u3080\u4e00\u6b21\u53d7\u3051\u306e\u5909\u6570temp\u306f\u30d0\u30ea\u30a2\u30f3\u30c8\u578b\u306b\u3057\u3001Null\u5024\u5224\u5b9a\u3092\u3057\u3001Null\u5024\u3067\u3042\u308c\u30700\u3001\u305d\u308c\u4ee5\u5916\u3067\u3042\u308c\u3070\u305d\u306e\u307e\u307e\u4ee3\u5165\u3057\u307e\u3059\u3002<\/p>\n<pre style=\"padding: 0;\"><code class=\"language-visual-basic\">Sub \u30a8\u30e9\u30fc\u30c6\u30b9\u30c81bR()\n\n    Dim intNull As Integer\n    Dim temp As Variant\n\n    temp = Null\n    \n    If IsNull(temp) Then\n        intNull = 0\n    Else\n        intNull = temp\n    End If\n\nEnd Sub<\/code><\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Access%E3%81%AEIIF%E9%96%A2%E6%95%B0%E3%80%81ISNULL%E9%96%A2%E6%95%B0%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6Null%E3%82%920%E3%81%8B%E2%80%9D%E2%80%9D%E3%81%AB%E3%81%99%E3%82%8B\"><\/span>Access\u306eIIF\u95a2\u6570\u3001ISNULL\u95a2\u6570\u3092\u4f7f\u3063\u3066Null\u30920\u304b&#8221;&#8221;\u306b\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u4e0a\u8a18\u306eISNULL\u95a2\u6570\u3092\u4f7f\u3046\u65b9\u6cd5\u3068\u540c\u3058\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082SQL\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u60c5\u5831\u3092\u53c2\u7167\u3059\u308b\u6642\u70b9\u3067\u5909\u63db\u3092\u3059\u308b\u3068\u3044\u3046\u3001\u4e0a\u6d41\u3067\u3084\u3063\u3064\u3051\u3066\u3057\u307e\u3046\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>Select\u6587\u306a\u3069\u3067\u3001<br \/>\nIIF(ISNULL(\uff1c\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\uff1e), 0, \uff1c\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\uff1e)<br \/>\nIIF(ISNULL(\uff1c\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\uff1e), &#8220;&#8221;, \uff1c\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\uff1e)<br \/>\n\u3068\u304b\u306b\u3059\u308c\u3070OK\u3067\u3059\u3002<\/p>\n<p>\u3042\u3068\u306f\u3001\u5916\u90e8\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u306bNull\u304c\u3042\u3063\u305f\u30890\u304b&#8221;&#8221;\u3092\u4ee3\u5165\u3057\u3066\u3057\u307e\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001<\/p>\n<p>Excel\u306e\u4ed5\u69d8\u306e\u305f\u3081\u306b\u5916\u90e8\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u3092\u52a0\u5de5\u3059\u308b\u306e\u306f\u30c7\u30fc\u30bf\u4e0d\u6574\u5408\u3084\u4ed6\u306e\u51e6\u7406\u3067\u306e\u30d0\u30b0\u3092\u8a98\u767a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u3042\u307e\u308a\u304a\u3059\u3059\u3081\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n<p><script><\/p>\n<p><\/script><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%95%E3%81%84%E3%81%94%E3%81%AB\"><\/span>\u3055\u3044\u3054\u306b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4eca\u56de\u306f\u3001<\/p>\n<div class=\"endinfo\">\u30fbVBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u306e\u539f\u56e0\u3068\u30b5\u30af\u3063\u3068\u3067\u304d\u308b\u5bfe\u51e6\u65b9\u6cd5<\/div>\n<p>\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<p><!--\u5439\u304d\u51fa\u3057\u306f\u3058\u307e\u308a--><\/p>\n<div class=\"balloon5\">\n<div class=\"faceicon\">\n<img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/11\/taka_kao.gif\" alt=\"\u30bf\u30ab\u30d2\u30ed\" width=\"110\" height=\"110\" \/>\n<div class=\"faceiconfont\">\u30bf\u30ab\u30d2\u30ed<\/div>\n<\/div>\n<div class=\"chatting\">\n<div class=\"says\">\u30c7\u30fc\u30bf\u306e\u578b\u306f\u8a2d\u8a08\u524d\u6bb5\u968e\u3067\u65b9\u91dd\u3068\u3057\u3066\u304d\u3081\u3066\u304a\u304f\u3053\u3068\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<br \/>\n\u30b9\u30e0\u30fc\u30ba\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3057\u3001\u672a\u7136\u306b\u30a8\u30e9\u30fc\u304c\u9632\u3052\u308b\u304b\u3089\u3067\u3059\u3002<\/div>\n<\/div>\n<\/div>\n<p><!--\u5439\u304d\u51fa\u3057\u7d42\u308f\u308a--><\/p>\n<p>VBA\u306e\u30a8\u30e9\u30fc\u306f\u30d1\u30bf\u30fc\u30f3\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u767a\u751f\u3057\u305f\u6642\u306b\u614c\u3066\u305a\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001<\/p>\n<p>\u3057\u3063\u304b\u308a\u3068\u5bfe\u51e6\u65b9\u6cd5\u3092\u628a\u63e1\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u305f\u3044\u3067\u3059\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VBA\u3092\u5b9f\u884c\u3059\u308b\u3068VBA \u30a8\u30e9\u30fc 94\u300cNull \u306e\u4f7f\u3044\u65b9\u304c\u4e0d\u6b63\u3067\u3059\u3002\u300d\u3092\u898b\u308b\u6a5f\u4f1a\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f 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