如何在EnumDropDownListFor中设置选定的值？ [英] How to set the selected value in EnumDropDownListFor?

问题描述

我正在使用MVC 5.2.0，并且尝试使用新的 Html.EnumDropDownListFor 。这就是我设置值的方式：

I'm using MVC 5.2.0 and I'm trying to use the new Html.EnumDropDownListFor. This is how I'm setting the values:

//Model
public class MyModel {
    public int SelectedEnumId { get; set; }
    public TestEnum MyEnum { get; set; }
}

//Enum
public enum TestEnum : int
{
    name1 = 1,
    name2 = 2
}

//View
@Html.EnumDropDownListFor(model => model.MyEnum,new { @class = "form-control" })

这正在起作用，并且正在显示值。但是如何设置所选值（SelectedEnumId）？

This is working and the values are being displayed. But how do I set the selected value (SelectedEnumId)?

通常我会使用

//Not enum
@Html.DropDownListFor(model => model.SelectedId, new SelectList(Model.myvalues, "Value", "Text"))

是否可以使用MVC 5.1-5.2中的新Helper来做到这一点？还是我必须为此创建一个扩展方法？

Is there a way to do this with the new Helper in MVC 5.1-5.2? Or I have to create a Extension method for this?

推荐答案

据我所知，只需确保您想要的值是在调用之前，已在模型中设置了选定的

As far as I know just make sure the value you want to be selected is set in your Model before you call

//Controller:
...
myModel.TestEnum = TestEnum.name2;
...

//On your view
...
@Html.EnumDropDownListFor(model => model.TestEnum);
...

这篇关于如何在EnumDropDownListFor中设置选定的值？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！