{"id":406,"date":"2021-11-30T16:32:31","date_gmt":"2021-11-30T07:32:31","guid":{"rendered":"https:\/\/sumomo.ohwaki.jp\/wordpress\/?p=406"},"modified":"2022-03-23T15:46:20","modified_gmt":"2022-03-23T06:46:20","slug":"net6-blazor-select%e3%82%bf%e3%82%b0-multiple-bind","status":"publish","type":"post","link":"https:\/\/sumomo.ohwaki.jp\/wordpress\/?p=406","title":{"rendered":".NET6 Blazor select\u30bf\u30b0 multiple @bind"},"content":{"rendered":"\n<p>\u306a\u3093\u304b\u3001\u546a\u6587\u307f\u305f\u3044\u306a\u30bf\u30a4\u30c8\u30eb\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u304c\u3001\u8a00\u3044\u305f\u3044\u3053\u3068\u306f\u3001Blazor\u304c.NET6\u304b\u3089\u3001\u8907\u6570\u6307\u5b9a(multiple)select\u306ebind\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u305f\u3068\u3044\u3046\u304a\u8a71\u3002<\/p>\n\n\n\n<p>\u3069\u3046\u3044\u3046\u3053\u3068\u304b\u3068\u3044\u3046\u3068\u3001\u4ee5\u4e0b\u306e\u4f8b\u3092\u898b\u3066\u9802\u3051\u308c\u3070\u308f\u304b\u308b\u3068\u601d\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-html\" data-file=\"multiple bind\" data-lang=\"HTML\"><code>@page &quot;\/&quot;\n\n&lt;h2&gt;Multiple Select Bind&lt;\/h2&gt;\n\n&lt;select style=&quot;width:200px&quot; multiple size=&quot;6&quot; @bind=&quot;SelectedColors&quot;&gt;\n\t&lt;option value=&quot;red&quot;&gt;\u8d64&lt;\/option&gt;\n\t&lt;option value=&quot;blue&quot;&gt;\u9752&lt;\/option&gt;\n\t&lt;option value=&quot;green&quot;&gt;\u7dd1&lt;\/option&gt;\n\t&lt;option value=&quot;magenta&quot;&gt;\u7d2b&lt;\/option&gt;\n\t&lt;option value=&quot;yellow&quot;&gt;\u9ec4&lt;\/option&gt;\n\t&lt;option value=&quot;orange&quot;&gt;\u6a59&lt;\/option&gt;\n&lt;\/select&gt;\n&lt;br\/&gt;\n@foreach(var c in SelectedColors) {\n\t&lt;div style=&quot;width:100px;height:30px;background-color:@c&quot;&gt;&lt;\/div&gt;\n}\n\n@code {\n\tprotected string[] SelectedColors = new string[] {};\n}<\/code><\/pre><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"430\" height=\"448\" src=\"https:\/\/sumomo.ohwaki.jp\/wordpress\/wp-content\/uploads\/2021\/11\/multisel.png\" alt=\"\" class=\"wp-image-408\" srcset=\"https:\/\/sumomo.ohwaki.jp\/wordpress\/wp-content\/uploads\/2021\/11\/multisel.png 430w, https:\/\/sumomo.ohwaki.jp\/wordpress\/wp-content\/uploads\/2021\/11\/multisel-288x300.png 288w\" sizes=\"auto, (max-width: 430px) 100vw, 430px\" \/><figcaption>\u5b9f\u884c\u7d50\u679c<\/figcaption><\/figure>\n\n\n\n<p>\u306a\u304a\u3001\u914d\u5217\u306e\u30b5\u30a4\u30ba\u306f\u52d5\u7684\u306b\u5909\u66f4\u3055\u308c\u308b\u3002\u3064\u307e\u308a\u3001\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001SelectedColors.Length=3\u3060\u304c\u3001\u4e0b\u8a18\u306e\u5b9f\u884c\u4f8b\u3067\u306f\u3001SelectedColors.Length=2\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"433\" height=\"397\" src=\"https:\/\/sumomo.ohwaki.jp\/wordpress\/wp-content\/uploads\/2021\/11\/multisel2.png\" alt=\"\" class=\"wp-image-409\" srcset=\"https:\/\/sumomo.ohwaki.jp\/wordpress\/wp-content\/uploads\/2021\/11\/multisel2.png 433w, https:\/\/sumomo.ohwaki.jp\/wordpress\/wp-content\/uploads\/2021\/11\/multisel2-300x275.png 300w\" sizes=\"auto, (max-width: 433px) 100vw, 433px\" \/><figcaption>\u5b9f\u884c\u4f8b2<\/figcaption><\/figure>\n\n\n\n<p>\u691c\u7d22\u3068\u304b\u3067\u3001\u8907\u6570\u30ab\u30c6\u30b4\u30ea\u306a\u3069\u3092\u9078\u629e\u3059\u308b\u3068\u304d\u306a\u3069\u306b\u7d50\u69cb\u4fbf\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306a\u3093\u304b\u3001\u546a\u6587\u307f\u305f\u3044\u306a\u30bf\u30a4\u30c8\u30eb\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u304c\u3001\u8a00\u3044\u305f\u3044\u3053\u3068\u306f\u3001Blazor\u304c. &hellip; <a href=\"https:\/\/sumomo.ohwaki.jp\/wordpress\/?p=406\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,12,10,9,4],"tags":[],"class_list":["post-406","post","type-post","status-publish","format-standard","hentry","category-net","category-asp-net-core","category-blazor","category-c","category-4"],"_links":{"self":[{"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=406"}],"version-history":[{"count":6,"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/406\/revisions"}],"predecessor-version":[{"id":457,"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/406\/revisions\/457"}],"wp:attachment":[{"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sumomo.ohwaki.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}