Net mvc DropDownList BUG

Source: Internet
Author: User

Recently, my younger brother found a bug in DropDownList in. net mvc development. The following describes the occurrence of bugs.

First, check the Controller code:

Public ActionResult Index ()
        {
List <SelectListItem> country = new List <SelectListItem> ();
Country. Add (new SelectListItem () {Text = "China", Value = "1", Selected = true });
Country. Add (new SelectListItem () {Text = "", Value = "2 "});
Country. Add (new SelectListItem () {Text = "Japan", Value = "3 "});
ViewBag. country = country;
Return View ();
        }

 

View layer code:

<Div>
<Span> country </span>
@ Html. DropDownList ("country", ViewBag. country as List <SelectListItem>, "Select ")
</Div>

 


View the result:

The correct result should be China's selected status.

What is the cause? Why is it not in the selected status,

If the two names are different, the result is correct.

 

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