ASP.NET MVC绑定到字典 [英] ASP.NET MVC Binding to a dictionary

问题描述

我想在MVC绑定字典中的值。

I'm trying to bind dictionary values within MVC.

在动作中我有：

model.Params = new Dictionary<string, string>();

model.Params.Add("Value1", "1");
model.Params.Add("Value2", "2");
model.Params.Add("Value3", "3");

和视图我有内：

@foreach (KeyValuePair<string, string> kvp in Model.Params)
{ 
<tr>
  <td>
    <input type="hidden" name="Params.Key" value="@kvp.Key" />
    @Html.TextBox("Params[" + kvp.Key + "]")
  </td>
</tr>
}

但视图不显示的初始值，当表单提交的 PARAMS 属性为null？

推荐答案

您应该看一看这个职位从斯科特Hanselman的：
<一href=\"http://www.hanselman.com/blog/ASPNETWireFormatForModelBindingToArraysListsCollectionsDictionaries.aspx\">http://www.hanselman.com/blog/ASPNETWireFormatForModelBindingToArraysListsCollectionsDictionaries.aspx

you should take a look to this post from scott hanselman: http://www.hanselman.com/blog/ASPNETWireFormatForModelBindingToArraysListsCollectionsDictionaries.aspx

默认粘结剂才明白格式字典：

The default binder just understand dictionaries in the format:

params[0].key = kvp.key
params[0].value = kvp.value

帕拉姆的索引必须是连续的，从0且没有任何差距开始。目前佣工不支持这一点，所以你应该自己创建表单输入字段。

The index of the param must be sequential, starting from 0 and without any gaps. The current helpers don't support this, so you should create the form input fields by yourself.

您当然可以实现自己的粘结剂，像这样的：
<一href=\"http://siphon9.net/loune/2009/12/a-intuitive-dictionary-model-binder-for-asp-net-mvc/\">http://siphon9.net/loune/2009/12/a-intuitive-dictionary-model-binder-for-asp-net-mvc/

you can of course implement your own binder, like this one: http://siphon9.net/loune/2009/12/a-intuitive-dictionary-model-binder-for-asp-net-mvc/

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