MVC 3仅针对某些字段编辑视图

Question

我有这个型号:

public class ExchangeRate
{
    [Key]
    public  int ExchangeRateID { get; set; }
    [Required]
    [Display(Name = "Currency:")]
    public  string Currency { get; set; }
    [Required]
    public  decimal Rate { get; set; }
}

"创建"视图工作正常,但当我在编辑视图中时,我只希望显示Currency属性,而不是可编辑的.我该怎么做？如果我为这个类创建另一个"仅查看"模型,那么我将省略"Currency"属性并且无法显示它.

@using (Html.BeginForm()) {
@Html.ValidationSummary(true)
<fieldset>
    <legend>ExchangeRate</legend>

    @Html.HiddenFor(model => model.ExchangeRateID)

    <div class="editor-label">
        @Html.LabelFor(model => model.Currency)
    </div>
    <div class="editor-field">
         @Html.DisplayFor(model => model.Currency)
    </div>

    <div class="editor-label">
        @Html.LabelFor(model => model.Rate)
    </div>
    <div class="editor-field">
        @Html.EditorFor(model => model.Rate)
        @Html.ValidationMessageFor(model => model.Rate)
    </div>

    <p>
        <input type="submit" value="Save" />
    </p>
</fieldset>

}

将@ Html.EditorFor(model => model.Currency)更改为@ Html.DisplayFor(model => model.Currency)不起作用,因为模型状态在回发到控制器时变为无效.

Answer 1

你可以添加

@Html.HiddenFor(model => model.Currency)

在你的形式,然后使用

@Html.DisplayFor(model=> model.Currency)

显示货币属性的只读值.这样,当您发布值时,将在发布的模型中发送.