{"id":333,"date":"2021-06-03T09:00:43","date_gmt":"2021-06-03T00:00:43","guid":{"rendered":"https:\/\/sumomo.ohwaki.jp\/wordpress\/?p=333"},"modified":"2021-06-03T09:00:43","modified_gmt":"2021-06-03T00:00:43","slug":"blazor%e3%81%aeform%e5%85%a5%e5%8a%9b%e5%80%a4%e6%a4%9c%e8%a8%bc%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/sumomo.ohwaki.jp\/wordpress\/?p=333","title":{"rendered":"Blazor\u306eForm\u5165\u529b\u5024\u691c\u8a3c\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n

Blazor\u3067\u3001Form\u306e\u5165\u529b\u5024\u3092\u691c\u8a3c\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u307f\u305f\u3002Blazor\u3067\u306f\u57fa\u672c\u7684\u306bForm\u3092Submit\u3057\u306a\u3044\u306e\u3067\u3001\u3059\u3063\u304b\u308a\u982d\u304b\u3089\u629c\u3051\u3066\u3044\u305f\u3051\u3069\u30fb\u30fb\u30fb<\/p>\n\n\n\n

Submit\u3068\u8a00\u3063\u3066\u3082\u3001\u5b9f\u969b\u306bSubmit\u3092\u884c\u3046\u8a33\u3067\u306f\u7121\u3044\u3088\u3046\u3060\u304c\u3001\u5165\u529b\u5024\u306e\u30c1\u30a7\u30c3\u30af\u306f\u884c\u3046\u4e8b\u304c\u53ef\u80fd\u3002<\/p>\n\n\n\n

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\/\/ \u30e9\u30b8\u30aa\u30dc\u30bf\u30f3\u7528\u306eEnum\npublic enum Countries { Japan, USA, China, UK }\n\/\/ \u5165\u529b\u5024\u306e\u4fdd\u5b58\u7528\u30af\u30e9\u30b9\npublic class FormItems {\n    [Required(ErrorMessage = "\u6c0f\u540d\u306f\u5fc5\u9808\u5165\u529b\u3067\u3059")]\n    [StringLength(10,ErrorMessage = "\u6c0f\u540d\u306f10\u6587\u5b57\u4ee5\u5185\u3067\u3059")]\n    public string Name { get; set; }\n    [Required(ErrorMessage = "\u5e0c\u671b\u56fd\u306f\u5fc5\u9808\u9078\u629e\u9805\u76ee\u3067\u3059\u3002")]\n    public Countries? Country { get; set; } = null;\n    [Range(typeof(bool),"true","true",\n        ErrorMessage = "\u540c\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002")]\n    public bool IsOK { get; set; }\n}<\/code><\/pre><\/div>\n\n\n\n
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\u4f8b\u3048\u3070\u3001[Require]\u5c5e\u6027\u3092\u4ed8\u3051\u308b\u3068\u3001\u5165\u529b\u5024\u304c\u7121\u3044\u5834\u5408\u306f\u691c\u8a3c\u30a8\u30e9\u30fc\u3068\u306a\u308b\u3002\u6587\u5b57\u5217\u306a\u3069\u306f[StringLength]\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u3066\u3001\u6700\u5927\u9577\u306a\u3069\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002<\/p>\n\n\n\n
\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u7528\u306bOnInitialize\u7b49\u3067\u3001\u4e0a\u8a18\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304a\u304d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bEditForm\u306eModel\u3068\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6307\u5b9a\u3057\u3001\u5404\u5165\u529b\u30bf\u30b0\u306eBind\u5148\u3068\u3057\u3066\u3001\u30e1\u30f3\u30d0\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3002(\u3053\u306e\u4f8b\u3067\u306f\u3001OnValidSubmit\u5c5e\u6027\u306bDoSubmit\u30e1\u30bd\u30c3\u30c9\u3092\u6307\u5b9a\u3057\u3066\u3001\u5168\u691c\u8a3cOK\u306e\u5834\u5408\u3001DoSubmit\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b)<\/p>\n\n\n\n
<!-- InputValues\u306fFormItems\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9-->\n<EditForm Model="@InputValues" OnValidSubmit="DoSubmit">\n    <DataAnnotationsValidator\/>\n    <table>\n    <tr>\n        <td>\u6c0f\u540d\uff1a<\/td><td><InputText @bind-Value="InputValues.Name"\/><\/td><td><ValidationMessage For="@(()=>InputValues.Name)" class="validation-message"\/><\/td>\n    <\/tr>\n    <tr>\n        <td colspan="2">\u5e0c\u671b\u56fd\uff1a<\/td><td><ValidationMessage For="@(()=>InputValues.Country)" class="validation-message"\/><\/td>\n    <\/tr>\n    <InputRadioGroup @bind-Value="InputValues.Country">\n        @foreach(var itm in Enum.GetValues(typeof(Countries))) {\n            <tr>\n                <td colspan="3"><InputRadio Value="itm"\/>@itm<\/td>\n            <\/tr>\n        }\n    <\/InputRadioGroup>\n    <tr>\n        <td colspan="2"><InputCheckbox @bind-Value="InputValues.IsOK"\/>\u6dfb\u4ed8\u306e\u6761\u9805\u306b\u540c\u610f\u3057\u307e\u3059\u3002<\/td><td><ValidationMessage For="@(()=>InputValues.IsOK)" class="validation-message"\/><\/td>\n    <\/tr>\n    <\/table>\n    <br\/>\n    <button class="btn btn-primary" type="submit">\u9001\u4fe1<\/button>\n<\/EditForm>\n<\/code><\/pre><\/div>\n\n\n\n
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\u5b9f\u884c\u4f8b<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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