下载:http://www.codeplex.com/aspnet/Release/ProjectReleases.aspx?ReleaseId=16775
上篇: Asp.net Mvc Codeplex Preview 5 第一篇 Helper的新特性
BindingHelperExtensions.UpdateFrom改为UpdateModel
使用方法(缺点:如果表单里存在MyModel里不存在的字段就会报错)
var x = new MyModel();
this .TryUpdateModel(x, Request.Form.AllKeys);
或(缺点:一个一个写太麻烦)
var x = new MyModel();
this .TryUpdateModel(x, new [] { " IDX " , " Name " });
优点:如果你有定义HtmlHelper.ValidationMessage那么它将会自动为你判空,详见上篇文章
var x = new MyModel();
this .TryUpdateModel(x, Request.Form.AllKeys);
或(缺点:一个一个写太麻烦)
var x = new MyModel();
this .TryUpdateModel(x, new [] { " IDX " , " Name " });
优点:如果你有定义HtmlHelper.ValidationMessage那么它将会自动为你判空,详见上篇文章
当然,你也可以通过this.TryUpdateModel(x, new[] {"IDX", "Name"},"Account");这种方式来获取不同的Model.
上述 TryUpdateModel返回是否绑定成功的bool值,如果确定无误,可使用 UpdateModel
Action提供了数组参数
View:
<%
using (Html.Form(
"
home
"
,
"
save
"
, FormMethod.Post)) {
%>
<% = Html.CheckBox( " like " ) %>
<% = Html.CheckBox( " like " ) %>
<% = Html.CheckBox( " like " ) %>
<% = Html.CheckBox( " like " ) %>
<% = Html.SubmitButton() %>
<% } %>
<% = Html.CheckBox( " like " ) %>
<% = Html.CheckBox( " like " ) %>
<% = Html.CheckBox( " like " ) %>
<% = Html.CheckBox( " like " ) %>
<% = Html.SubmitButton() %>
<% } %>
Action:
public
ActionResult Save(
string
[] like)
{
ViewData[ " Message " ] = string .Join( "" , like);
return View( " Index " );
}
{
ViewData[ " Message " ] = string .Join( "" , like);
return View( " Index " );
}
这样是可以取到like的值的
AcceptVerbs Filter
这个Filter可以让我们定义Action的访问方式
[AcceptVerbs(
"
Post
"
)]
public ActionResult Save()//只有Post才能访问
或
[AcceptVerbs( " Post " , " GET " )]//Post或Get都能访问,但其它方式不能访问
public ActionResult Save()
public ActionResult Save()//只有Post才能访问
或
[AcceptVerbs( " Post " , " GET " )]//Post或Get都能访问,但其它方式不能访问
public ActionResult Save()
ActionName Filter
为一个方法定义它的ActionName
如HomeController中定义
[ActionName(
"
MyAction
"
)]
public ActionResult Save()
{
return View( " Index " );
}
public ActionResult Save()
{
return View( " Index " );
}
则/home/save不能访问
一定要/home/myaction才可以访问