有没有办法在页面加载或发布到服务器时预先选择一个项目..
这就是我现在所拥有的..
<%=Html.DropDownList("dllMonths",
new SelectList(new List<string>() {
"", "January", "Feburary", "March", "April", "June",
"July", "August", "September", "October", "November",
"December"}),
new { onchange="this.form.submit();" })%>
设置 SelectList 的 SelectedValue 属性，或将其作为第二个参数传递给 SelectList 构造函数。
<% = Html.DropDownList ( "dllMonths",
new SelectList ( new List ( )
{ "", "January", "Feburary", "March",
"April", "June", "July", "August",
"September", "October", "November",
"December" },
"April" ),
new { onchange = "this.form.submit();" }
)%>
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