{"id":101623,"date":"2024-03-22T04:13:54","date_gmt":"2024-03-21T19:13:54","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/"},"modified":"2024-03-27T01:38:44","modified_gmt":"2024-03-26T16:38:44","slug":"js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/","title":{"rendered":"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad"},"content":{"rendered":"<p>JS\u3067\u306f\u3001RequiredFieldValidator \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>&lt;script type=<span class=\"hljs-string\">\"text\/javascript\"<\/span>&gt;\r\n    <span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title function_\">validateForm<\/span>() {\r\n        <span class=\"hljs-keyword\">var<\/span> field = <span class=\"hljs-variable language_\">document<\/span>.<span class=\"hljs-title function_\">getElementById<\/span>(<span class=\"hljs-string\">'&lt;%=txtField.ClientID%&gt;'<\/span>).<span class=\"hljs-property\">value<\/span>;\r\n        \r\n        <span class=\"hljs-keyword\">if<\/span> (field === <span class=\"hljs-string\">\"\"<\/span>) {\r\n            <span class=\"hljs-title function_\">alert<\/span>(<span class=\"hljs-string\">\"\u8be5\u5b57\u6bb5\u4e0d\u80fd\u4e3a\u7a7a\"<\/span>);\r\n            <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">false<\/span>;\r\n        }\r\n        \r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">true<\/span>;\r\n    }\r\n&lt;\/script&gt;\r\n\r\n<span class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">asp:TextBox<\/span> <span class=\"hljs-attr\">ID<\/span>=<span class=\"hljs-string\">\"txtField\"<\/span> <span class=\"hljs-attr\">runat<\/span>=<span class=\"hljs-string\">\"server\"<\/span> \/&gt;<\/span><\/span>\r\n<span class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">asp:RequiredFieldValidator<\/span> <span class=\"hljs-attr\">ID<\/span>=<span class=\"hljs-string\">\"rfvField\"<\/span> <span class=\"hljs-attr\">runat<\/span>=<span class=\"hljs-string\">\"server\"<\/span> <span class=\"hljs-attr\">ControlToValidate<\/span>=<span class=\"hljs-string\">\"txtField\"<\/span>\r\n    <span class=\"hljs-attr\">ErrorMessage<\/span>=<span class=\"hljs-string\">\"\u8be5\u5b57\u6bb5\u4e0d\u80fd\u4e3a\u7a7a\"<\/span> <span class=\"hljs-attr\">Display<\/span>=<span class=\"hljs-string\">\"None\"<\/span> \/&gt;<\/span><\/span>\r\n\r\n<span class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">asp:Button<\/span> <span class=\"hljs-attr\">ID<\/span>=<span class=\"hljs-string\">\"btnSubmit\"<\/span> <span class=\"hljs-attr\">runat<\/span>=<span class=\"hljs-string\">\"server\"<\/span> <span class=\"hljs-attr\">Text<\/span>=<span class=\"hljs-string\">\"\u63d0\u4ea4\"<\/span> <span class=\"hljs-attr\">OnClientClick<\/span>=<span class=\"hljs-string\">\"return validateForm();\"<\/span> \/&gt;<\/span><\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001validateForm\u3068\u3044\u3046\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3001document.getElementById\u3092\u4f7f\u7528\u3057\u3066txtField\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306e\u5024\u3092\u53d6\u5f97\u3057\u3001\u7a7a\u3067\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u306e\u5834\u5408\u3001\u8b66\u544a\u30dc\u30c3\u30af\u30b9\u304c\u8868\u793a\u3055\u308c\u3001false\u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001true\u3092\u8fd4\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u3042\u3068\u3001\u30dc\u30bf\u30f3\u306eOnClientClick\u30a4\u30d9\u30f3\u30c8\u306b\u3053\u306e\u95a2\u6570\u3092\u30d0\u30a4\u30f3\u30c9\u3057\u3066\u3001\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u6642\u306b\u5165\u529b\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u5165\u529b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u305f\u3081\u306bRequiredFieldValidator\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u3066\u304a\u304d\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u6b04\u306e\u5834\u5408\u306f\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JS\u3067\u306f\u3001RequiredFieldValidator \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002 &lt;script type=&#8221;text\/javascript&#8221;&gt;  [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-101623","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>JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad - 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\/js\u4e2d\u600e\u4e48\u7528requiredfieldvalidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad\" \/>\n<meta property=\"og:description\" content=\"JS\u3067\u306f\u3001RequiredFieldValidator \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002 &lt;script type=&quot;text\/javascript&quot;&gt; [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/js\u4e2d\u600e\u4e48\u7528requiredfieldvalidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-21T19:13:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-26T16:38:44+00:00\" \/>\n<meta name=\"author\" content=\"\u685c, \u6625\u6a39\" \/>\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=\"\u685c, \u6625\u6a39\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/\",\"name\":\"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-21T19:13:54+00:00\",\"dateModified\":\"2024-03-26T16:38:44+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/ff22288af1a5455571aff7586b0fb341\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad\"}]},{\"@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\/ff22288af1a5455571aff7586b0fb341\",\"name\":\"\u685c, \u6625\u6a39\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/cee48863f3d4fd7fef222498f3e71b82312aee42b7257a2dbde56394ca4e19de?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/cee48863f3d4fd7fef222498f3e71b82312aee42b7257a2dbde56394ca4e19de?s=96&d=mm&r=g\",\"caption\":\"\u685c, \u6625\u6a39\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/sakuraharuki\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad - 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\/js\u4e2d\u600e\u4e48\u7528requiredfieldvalidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad\/","og_locale":"ja_JP","og_type":"article","og_title":"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad","og_description":"JS\u3067\u306f\u3001RequiredFieldValidator \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u304b\u3069\u3046\u304b\u3092\u691c\u8a3c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002 &lt;script type=\"text\/javascript\"&gt; [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/js\u4e2d\u600e\u4e48\u7528requiredfieldvalidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-21T19:13:54+00:00","article_modified_time":"2024-03-26T16:38:44+00:00","author":"\u685c, \u6625\u6a39","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u685c, \u6625\u6a39"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/","name":"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-21T19:13:54+00:00","dateModified":"2024-03-26T16:38:44+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/ff22288af1a5455571aff7586b0fb341"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"JS\u4e2d\u600e\u4e48\u7528RequiredFieldValidator\u63a7\u4ef6\u8fdb\u884c\u5224\u65ad"}]},{"@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\/ff22288af1a5455571aff7586b0fb341","name":"\u685c, \u6625\u6a39","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/cee48863f3d4fd7fef222498f3e71b82312aee42b7257a2dbde56394ca4e19de?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/cee48863f3d4fd7fef222498f3e71b82312aee42b7257a2dbde56394ca4e19de?s=96&d=mm&r=g","caption":"\u685c, \u6625\u6a39"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/sakuraharuki\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/js%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8requiredfieldvalidator%e6%8e%a7%e4%bb%b6%e8%bf%9b%e8%a1%8c%e5%88%a4%e6%96%ad\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/101623","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=101623"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/101623\/revisions"}],"predecessor-version":[{"id":165771,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/101623\/revisions\/165771"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=101623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=101623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=101623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}