如何为特定的 MVC 操作使文本框只读？

Question

标题可能令人困惑，所以这是我的问题：仅当我的操作用于编辑（类似于 EditLocation）并且如果我的操作旨在添加新记录（AddLocation）时，我希望在我的视图中有一个只读文本框，我想要一个可编辑的文本框。

我的ff。代码有效，但我想知道是否有 "cleaner" 解决方案

@using (Html.BeginForm(Model.Location.Id == 0 ? "AddLocation" : "EditLocation", "Location"))
    {
        <fieldset>
            @Html.HiddenFor(x => x.Location.Id)
            @Html.HiddenFor(x => x.Location.CompanyGroupId)
            @Html.HiddenFor(x => x.CompanyGroup.Id)
            @Html.HiddenFor(x => x.CompanyGroup.Code)

            <div class="form-group">
                <strong><span>@ResourcesCommon.Location_Code</span></strong>
                @if (Model.Location.Id == 0)
                {
                    @Html.TextBoxFor(x => x.Location.Code, new { @class = "form-control" })
                    @Html.ValidationMessageFor(x => x.Location.Code)
                }
                else
                {
                    @Html.TextBoxFor(x => x.Location.Code, new { @class = "form-control", @readonly = "readonly" })
                    @Html.ValidationMessageFor(x => x.Location.Code)
                }

            </div> ...

谢谢，祝你一周愉快！

Answer 1

这可能对您有帮助：

@Html.TextBoxFor(x => x.Location.Code, new Dictionary<string, object>() .AddIf(true, "@class", "form-control") .AddIf(Model.Location.Id != 0, "@readonly", "readonly"))

// This returns the dictionary so that you can "fluently" add values
    public static IDictionary<TKey, TValue> AddIf<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, bool addIt, TKey key, TValue value)
    {
        if (addIt)
            dictionary.Add(key, value);
        return dictionary;
    }

我从另一个 Whosebug post 很久以前拿来的，我没有 link。

Answer 2

您可以这样做（但会产生更多代码）：

@Html.TextBoxFor(x => x.Location.Code, new { @class = "form-control", @id="myInput" })

然后添加一些js:

$(document).ready(function() {
    $('#myInput').attr('readonly', @Html.Raw(Model.Location.Id != 0? "true" : "false"));
});

如何为特定的 MVC 操作使文本框只读？

How do I make a textbox readonly only for a specific MVC Action?

asp.net-mvc

model-view-controller

razor

razorengine