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我有一个带有2个选择框的表单。但是当我点击提交按钮时,有一个错误提示“无法创建抽象类”。我不知道是怎么回事错在这里mvc表单无法创建抽象类
@using (Html.BeginForm("Add", "Admin")) {
<input type="submit" value="Add" class="btn btn-warning small-text custom-btn" />
<div class="select-box">
<select name="users[]" multiple size="35">@{ Html.RenderAction("UserList", "GroupsAndUsers"); }</select>
</div>
<div class="select-box">
<p class="blue-text bold-text">Groups</p>
<select name="group" size="35">@{ Html.RenderAction("GroupList", "GroupsAndUsers"); }</select>
</div>
<input type="hidden" name="RedirectToUrl" value="~/GroupsAndUsers/AddUsers" />
}
管理员/添加
[HttpPost]
public ActionResult Add(Array userIDs, int groupID, string RedirectToUrl)
{
return Redirect(RedirectToUrl);
}