Question

在修补问题后，我认为问题的核心是：

当您使用带有Enum作为值字段的Html.RadioButton（）html助手时，您只能选择一次选项。在重新发布页面后，帮助程序将忽略调用中设置的值，并将所有单选按钮设置为相同的值，即您在上一篇文章中选择的值。我做错了吗？

示例（观看按钮的值）

<fieldset>
    <legend>Test</legend>                            
    <div>
        <label for="SearchBag.EffectIndicatorAny" id="EffectIndicatorAnyLabel">
            Any
        </label>                
        <%=Html.RadioButton("SearchBag.EffectIndicator", "Any" , ViewData.Model.SearchBag.EffectIndicatorIsAny, new { @id = "SearchBag.EffectIndicatorAny" })%>
    </div>
    <div>
        <label for="SearchBag.EffectIndicatorSolid" id="EffectIndicatorSolidLabel">
            Solid
        </label>                
        <%=Html.RadioButton("SearchBag.EffectIndicator", "Solid", ViewData.Model.SearchBag.EffectIndicatorIsSolid, new { @id = "SearchBag.EffectIndicatorSolid" })%>
    </div>
    <div>
        <label for="SearchBag.EffectIndicatorEffect" id="EffectIndicatorEffectLabel">
            Effect
        </label>                
        <%=Html.RadioButton("SearchBag.EffectIndicator", "Effect", ViewData.Model.SearchBag.EffectIndicatorIsEffect, new { @id = "SearchBag.EffectIndicatorEffect" })%>
    </div>
</fieldset>

将生成

<fieldset>
    <legend>Effect</legend>                            
    <div class="horizontalRadio">
        <label for="SearchBag.EffectIndicatorAny" id="EffectIndicatorAnyLabel">
            Any                                      
        </label>                
        <input checked="checked" id="SearchBag.EffectIndicatorAny" name="SearchBag.EffectIndicator" type="radio" value="Any" />
    </div>
    <div class="horizontalRadio">
        <label for="SearchBag.EffectIndicatorSolid" id="EffectIndicatorSolidLabel">
            Solid
        </label>                
        <input id="SearchBag.EffectIndicatorSolid" name="SearchBag.EffectIndicator" type="radio" value="Solid" />
    </div>
    <div class="horizontalRadio">
        <label for="SearchBag.EffectIndicatorEffect" id="EffectIndicatorEffectLabel">
            Effect
        </label>                
        <input id="SearchBag.EffectIndicatorEffect" name="SearchBag.EffectIndicator" type="radio" value="Effect" />
    </div>
</fieldset>

并将第二次产生：

<fieldset>
    <legend>Effect</legend>                            
    <div class="horizontalRadio">
        <label for="SearchBag.EffectIndicatorAny" id="EffectIndicatorAnyLabel">
            Any                                      
        </label>                
        <input id="SearchBag.EffectIndicatorAny" name="SearchBag.EffectIndicator" type="radio" value="Solid" />
    </div>
    <div class="horizontalRadio">
        <label for="SearchBag.EffectIndicatorSolid" id="EffectIndicatorSolidLabel">
            Solid
        </label>                
        <input checked="checked" id="SearchBag.EffectIndicatorSolid" name="SearchBag.EffectIndicator" type="radio" value="Solid" />
    </div>
    <div class="horizontalRadio">
        <label for="SearchBag.EffectIndicatorEffect" id="EffectIndicatorEffectLabel">
            Effect
        </label>                
        <input id="SearchBag.EffectIndicatorEffect" name="SearchBag.EffectIndicator" type="radio" value="Solid" />
    </div>
</fieldset>

Answer 1

这是由于ASP.NET MVC Beta代码中的一个错误。我在asp.net MVC论坛上写了这个问题的完整解释。请参阅此link

Answer 2

如果有人关心这是一个真正快速而肮脏的工作，期待下一次更新框架。它只能用您的值重新替换值。它不是经过单元测试的，不能保证不是。

将它放在HtmlHelper类库中或放置HtmlHelper扩展名的任何位置。添加以下用法：

System.Text.RegularExpressions;

System.Web.Mvc.Html;

/*ToDo: remove when patched in framework*/
public static string MonkeyPatchedRadio(this HtmlHelper htmlHelper, string name, object value, bool isChecked, object htmlAttributes){
    string monkeyString = htmlHelper.RadioButton(name, value, isChecked, htmlAttributes);
    monkeyString = Regex.Replace(monkeyString, "(?<=value=\").*(?=\".*)", value.ToString());            
    return monkeyString;
}

我知道它可以做得更好而且还有什么，但我真的希望它能尽快解决。如果你想让它变得更好，那就是社区维基，那么继续吧

Answer 3

要检查的一件事。您是否使用更新的模型来渲染视图？即是第二次显示时传递给视图的帖子更新的相同模型数据？

Html.RadioButton将所有值设置为选定值

3 个答案: