我在視圖如下:DropDownListFor歸國所選項目
<div class="editor-field">
@Html.DropDownListFor(x => x.Subject, (IEnumerable<SelectListItem>) ViewBag.Clients)
</div>
這是我如何調用查看:
var list = new List<SelectListItem>
{
new SelectListItem {Text = "Gas Order", Value = "delivery"},
new SelectListItem {Text = "Account Services", Value = "account"},
new SelectListItem {Text = "Service Call", Value = "service"},
new SelectListItem {Text = "Inquiry", Value = "inquiry"}
};
ViewBag.Clients = list;
返回查看();
這是我模式:
[Required]
[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
[DataType(DataType.Text)]
[Display(Name = "Subject")]
public string Subject { get; set; }
我試圖返回回選定的值。
當我重新加載屏幕,由於屏幕上的錯誤,我得到這個錯誤:
The ViewData item that has the key 'Subject' is of type 'System.String' but must be of type 'IEnumerable'.
我假設它是由於這一行:
public string Subject { get; set; }
如果是這種情況,我如何將選定的項目返回到我的模型?
你還有困難嗎? – gdoron
不行,你回答我的問題,謝謝! – ErocM