blocks|key|1220563|text|参见this+MSDN+article和example+usage+here+on+Stack+Overflow。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1220564|假设您有以下Linq/POCO类：|1220565|public+class+Color
{
++++public+int+ColorId+{+get;+set;+}
++++public+string+Name+{+get;+set;+}
}|code-block|syntax|javascript|1220566|假设你有以下模型：|1220567|public+class+PageModel+
{
+++public+int+MyColorId+{+get;+set;+}
}|1220568|最后，假设你有下面的颜色列表。它们可以来自Linq查询，来自静态列表等：|1220569|public+static+IEnumerable<Color>+Colors+=+new+List<Color>+{+
++++new+Color+{
++++++++ColorId+=+1,
++++++++Name+=+"Red"
++++},
++++new+Color+{
++++++++ColorId+=+2,
++++++++Name+=+"Blue"
++++}
};|1220570|在视图中，您可以创建一个下拉列表，如下所示：|1220571|<%25=+Html.DropDownListFor(n+=>+n.MyColorId,+
+++++++++++++++++++++++++new+SelectList(Colors,+"ColorId",+"Name"))+%25>|1220572|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/ee703573.aspx|1|https://stackoverflow.com/questions/1916462/dropdownlistfor-in-editortemplate-not-selecting-value^0|2|H|0|K|10|1|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@$A|17|B|18|1|19]|$A|1A|B|1B|1|1C]]|C|$]]|$1|D|3|E|5|6|7|1D|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|1E|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|1F|8|@]|9|@]|C|$]]|$1|M|3|N|5|H|7|1G|8|@]|9|@]|C|$I|J]]|$1|O|3|P|5|6|7|1H|8|@]|9|@]|C|$]]|$1|Q|3|R|5|H|7|1I|8|@]|9|@]|C|$I|J]]|$1|S|3|T|5|6|7|1J|8|@]|9|@]|C|$]]|$1|U|3|V|5|H|7|1K|8|@]|9|@]|C|$I|J]]|$1|W|3|-4|5|6|7|1L|8|@]|9|@]|C|$]]]|X|$Y|$5|Z|10|11|C|$12|13]]|14|$5|Z|10|11|C|$12|15]]]]

See <a href="http://msdn.microsoft.com/en-us/library/ee703573.aspx" rel="noreferrer">this MSDN article</a> and an <a href="https://stackoverflow.com/questions/1916462/dropdownlistfor-in-editortemplate-not-selecting-value">example usage here on Stack Overflow</a>.

Let's say that you have the following Linq/POCO class:

<pre><code>public class Color
{
 public int ColorId { get; set; }
 public string Name { get; set; }
}
</code></pre>

And let's say that you have the following model:

<pre><code>public class PageModel 
{
 public int MyColorId { get; set; }
}
</code></pre>

And, finally, let's say that you have the following list of colors. They could come from a Linq query, from a static list, etc.:

<pre><code>public static IEnumerable&lt;Color&gt; Colors = new List&lt;Color&gt; { 
 new Color {
 ColorId = 1,
 Name = "Red"
 },
 new Color {
 ColorId = 2,
 Name = "Blue"
 }
};
</code></pre>

In your view, you can create a drop down list like so:

<pre><code>&lt;%= Html.DropDownListFor(n =&gt; n.MyColorId, 
 new SelectList(Colors, "ColorId", "Name")) %&gt;
</code></pre>

blocks|key|1006388|text|<%25:+
+++++Html.DropDownListFor(
+++++++++++model+=>+model.Color,+
+++++++++++new+SelectList(
++++++++++++++++++new+List<Object>{+
+++++++++++++++++++++++new+{+value+=+0+,+text+=+"Red"++},
+++++++++++++++++++++++new+{+value+=+1+,+text+=+"Blue"+},
+++++++++++++++++++++++new+{+value+=+2+,+text+=+"Green"}
++++++++++++++++++++},
++++++++++++++++++"value",
++++++++++++++++++"text",
+++++++++++++++++++Model.Color
+++++++++++)
++++++++)
%25>|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1006389|或者你可以不写类，把类似这样的东西直接放到视图中。|unstyled|1006390|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>&lt;%: 
 Html.DropDownListFor(
 model =&gt; model.Color, 
 new SelectList(
 new List&lt;Object&gt;{ 
 new { value = 0 , text = "Red" },
 new { value = 1 , text = "Blue" },
 new { value = 2 , text = "Green"}
 },
 "value",
 "text",
 Model.Color
 )
 )
%&gt;
</code></pre>

or you can write no classes, put something like this directly to the view.

blocks|key|1006433|text|通过从模型中的字典开始避免大量的肥胖指法|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1006434|namespace+EzPL8.Models
{
++++public+class+MyEggs
++++{
++++++++public+Dictionary<int,+string>+Egg+{+get;+set;+}

++++++++public+MyEggs()
++++++++{
++++++++++++Egg+=+new+Dictionary<int,+string>()
++++++++++++{
++++++++++++++++{+0,+"No+Preference"},
++++++++++++++++{+1,+"I+hate+eggs"},
++++++++++++++++{+2,+"Over+Easy"},
++++++++++++++++{+3,+"Sunny+Side+Up"},
++++++++++++++++{+4,+"Scrambled"},
++++++++++++++++{+5,+"Hard+Boiled"},
++++++++++++++++{+6,+"Eggs+Benedict"}
++++++++++++};

++++}


++++}|code-block|syntax|javascript|1006435|在视图中，将其转换为列表以供显示|1006436|@Html.DropDownListFor(m+=>+m.Egg.Keys,
+++++++++++++++++++++++++new+SelectList(
+++++++++++++++++++++++++++++Model.Egg,+
+++++++++++++++++++++++++++++"Key",+
+++++++++++++++++++++++++++++"Value"))|1006437|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Avoid of lot of fat fingering by starting with a Dictionary in the Model

<pre><code>namespace EzPL8.Models
{
 public class MyEggs
 {
 public Dictionary&lt;int, string&gt; Egg { get; set; }

 public MyEggs()
 {
 Egg = new Dictionary&lt;int, string&gt;()
 {
 { 0, "No Preference"},
 { 1, "I hate eggs"},
 { 2, "Over Easy"},
 { 3, "Sunny Side Up"},
 { 4, "Scrambled"},
 { 5, "Hard Boiled"},
 { 6, "Eggs Benedict"}
 };

 }


 }
</code></pre>

In the View convert it to a list for display

<pre><code>@Html.DropDownListFor(m =&gt; m.Egg.Keys,
 new SelectList(
 Model.Egg, 
 "Key", 
 "Value"))
</code></pre>

blocks|key|1220701|text|嗨，这是我在一个项目中是如何做到的：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1220702|+++++@Html.DropDownListFor(model+=>+model.MyOption,++++++++++++++++
++++++++++++++++++new+List<SelectListItem>+{+
+++++++++++++++++++++++new+SelectListItem+{+Value+=+"0"+,+Text+=+"Option+A"+},
+++++++++++++++++++++++new+SelectListItem+{+Value+=+"1"+,+Text+=+"Option+B"+},
+++++++++++++++++++++++new+SelectListItem+{+Value+=+"2"+,+Text+=+"Option+C"+}
++++++++++++++++++++},
++++++++++++++++++new+{+@class="myselect"})|code-block|syntax|javascript|1220703|我希望它能帮助一些人。谢谢|1220704|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Hi here is how i did it in one Project :

<pre><code> @Html.DropDownListFor(model =&gt; model.MyOption, 
 new List&lt;SelectListItem&gt; { 
 new SelectListItem { Value = "0" , Text = "Option A" },
 new SelectListItem { Value = "1" , Text = "Option B" },
 new SelectListItem { Value = "2" , Text = "Option C" }
 },
 new { @class="myselect"})
</code></pre>

I hope it helps Somebody. Thanks

blocks|key|1220725|text|或者，如果它来自数据库上下文，则可以使用|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1220726|@Html.DropDownListFor(model+=>+model.MyOption,+db.MyOptions.Select(x+=>+new+SelectListItem+{+Text+=+x.Name,+Value+=+x.Id.ToString()+}))|code-block|syntax|javascript|1220727|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Or if it's from a database context you can use 

<pre><code>@Html.DropDownListFor(model =&gt; model.MyOption, db.MyOptions.Select(x =&gt; new SelectListItem { Text = x.Name, Value = x.Id.ToString() }))
</code></pre>

In ASP.NET MVC 2, I'd like to write a very simple dropdown list which gives static options. For example I'd like to provide choices between "Red", "Blue", and "Green".

How to write a simple Html.DropDownListFor()?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在ASP.NET MVC2中，我想写一个非常简单的下拉列表，它给出了静态选项。例如，我想提供“红色”、“蓝色”和“绿色”之间的选择。

问如何编写一个简单的Html.DropDownListFor()？
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问如何编写一个简单的Html.DropDownListFor()？
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