C# 未接收从视图到控制器的值
我的看法是:C# 未接收从视图到控制器的值,c#,asp.net,ajax,asp.net-mvc,razor,C#,Asp.net,Ajax,Asp.net Mvc,Razor,我的看法是: @using (Html.BeginForm("RegisterNewUser ", "RegisterUser", new { @class = "registerForm" })) { @Html.LabelFor(model => model.nickName) @Html.TextBoxFor(model => model.nickName, new { @class = "RegisterControls" }) <br /&g
@using (Html.BeginForm("RegisterNewUser ", "RegisterUser", new { @class = "registerForm" }))
{
@Html.LabelFor(model => model.nickName)
@Html.TextBoxFor(model => model.nickName, new { @class = "RegisterControls" })
<br /><br />
@Html.LabelFor(model => model.email)
@Html.TextBoxFor(model => model.email, new { @class = "RegisterControls" })
@Html.ValidationMessageFor(model => model.email)
<br /><br />
@Html.LabelFor(model => model.password)
@Html.PasswordFor(model => model.password, new { @class = "RegisterControls", id = "firstPassword" })
<br /><br />
@Html.LabelFor(model => model.confirmPassword)
@Html.PasswordFor(model => model.password, new { @class = "RegisterControls" })
@Html.ValidationMessageFor(model => model.confirmPassword)
<br /><br /><br />
<hr style="color: #D5E0EE; border: solid; border-style: double;" />
@Ajax.ActionLink("Create account", "RegisterNewUser", "RegisteredUsers", new AjaxOptions { UpdateTargetId = "updaterDiv", HttpMethod = "POST" }, new { @class = "actionButtons" })
<br /><br />
当我在Action方法上设置断点时,我看到所有三个参数都为null,即使它们是在文本框中提供的。我错过了什么。我还可以添加模型代码,但我想这还不相关,因为它还没有涉及
-------------------------------------更新----------------------------------
嗨。我在视图中引入了一个提交按钮,并删除了Ajax ActionLink。因此,视图现在包含以下内容:
<input type="submit" value="Register" onclick="@Url.Action("RegisterNewUser", "RegisterUsers");" class="actionButtons" />
问题是相同的,值仍然为空。这次设置断点时,我注意到submit按钮没有调用Action方法。单击submit按钮时实际上什么都不做。我也尝试过不添加onclick事件监听器,正如我在一些示例中看到的,但结果保持不变
如果需要,模型如下所示:
[HttpPost]
public ActionResult RegisterNewUser(RegisteredUsers registerUserModel)
{
ViewBag.Message = "Register";
string msg = "";
if (!users.RegisterUser(registerUserModel.nickName, registerUserModel.email, registerUserModel.password))
{
msg = "The provided email already exists";
}
return PartialView("_Register");
}
public class RegisteredUsers
{
private DBLogic logic;
[Display(Name ="Your Email")]
[Required(ErrorMessage="You must provide a valid Email")]
[EmailAddress]
public string email { get; set; }
[Required(ErrorMessage="Select a user name", AllowEmptyStrings = false)]
[Display(Name="User name")]
public string nickName { get; set; }
[Required(ErrorMessage="Select a password", AllowEmptyStrings = false)]
[Display(Name="Password")]
[DataType(DataType.Password)]
public string password { get; set; }
[Required(ErrorMessage="Type your password again")]
[Display(Name="Confirm password")]
[DataType(DataType.Password)]
[Compare("Password", ErrorMessage="The two passwords do not match")]
public string confirmPassword { get; set; }
[Display(Name="Remember me")]
public bool rememberUserOnThisComputer { get; set; }
public void ...
[HttpPost]
public ActionResult RegisterNewUser(RegisterModel model)
{
ViewBag.Message = "Register";
string msg = "";
if (!users.RegisterUser(model.uName, model.email, model.password))
{
msg = "The provided email already exists";
}
ViewBag.Message = msg;
return PartialView("_Register");
}
您应该使用
Ajax.BeginForm
来代替普通的输入按钮
@using (Ajax.BeginForm("RegisterNewUser ", "RegisterNewUser ", new AjaxOptions { UpdateTargetId = "result" }))
{
<div id="result"></div>
...form data
<input type="submit" value="Ajax Form Action" />
}
您有
Html.BeginForm()
。您需要一个提交按钮-
并删除Ajax.ActionLink()
。由于您有一个模型,您应该发回模型-public ActionResult RegisterNewUser(您的模型)
,而不是值类型。如果您想保持在同一页面上,请使用Ajax.BeginForm()
而不是Html.BeginForm()
Re:您的编辑。不要在单击时添加onclick
。它只需要是
,并且您也使用了错误的BeginForm()
重载-您设置的路由值class=registerForm
,而不是html属性。这意味着我设置的是路由值而不是html属性是什么?应该是怎样的呢?看看你在表单标签中生成的html来理解。各种重载是我对asp.NETMVC很新,你们给我的信息是无价的。谢谢你。回到代码。。。如果Html.BeginForm不发送值,它有什么用?什么时候它比其他的更受欢迎?@user1960836没问题Html.BeginForm
用于没有Ajax的传统帖子。这篇文章比较了两者,值得一读@user1960836,Html.BeginForm会发布这些值——只是您没有提交按钮。
[HttpPost]
public ActionResult RegisterNewUser(RegisterModel model)
{
ViewBag.Message = "Register";
string msg = "";
if (!users.RegisterUser(model.uName, model.email, model.password))
{
msg = "The provided email already exists";
}
ViewBag.Message = msg;
return PartialView("_Register");
}