asp.net-mvc MVC 必填字段验证不起作用
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/16270377/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
提示：将鼠标放在中文语句上可以显示对应的英文。显示中英文
时间：2020-09-08 02:47:02 来源:igfitidea点击:
MVC Required field validation not working
提问by chamara
Required field validation not firing.
必填字段验证未触发。
Model:
模型：
public class Client
{
[Required(ErrorMessage="Name Required")]
[DisplayFormat(ConvertEmptyStringToNull = false)]
public string Name { get; set; }
public string Address { get; set; }
public string Mobile { get; set; }
public string Telephone { get; set; }
public string Fax { get; set; }
public string Company { get; set; }
}
Controller:
控制器：
[HttpPost]
public ActionResult Create(Client client)
{
try
{
// TODO: Add insert logic here
ClientRepository rep = new ClientRepository();
rep.AddClient(client);
rep.Save();
return RedirectToAction("Index");
}
catch
{
return View();
}
}
View:
看法：
<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
Create
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<h2>Add New Client</h2>
<% using (Html.BeginForm()) {%>
<%: Html.ValidationSummary(true) %>
<fieldset>
<legend>Fields</legend>
<div class="editor-label">
<%: Html.LabelFor(model => model.Name) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Name) %>
<%: Html.ValidationMessageFor(model => model.Name) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Address) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Address) %>
<%: Html.ValidationMessageFor(model => model.Address) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Mobile) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Mobile) %>
<%: Html.ValidationMessageFor(model => model.Mobile) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Telephone) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Telephone) %>
<%: Html.ValidationMessageFor(model => model.Telephone) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Fax) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Fax) %>
<%: Html.ValidationMessageFor(model => model.Fax) %>
</div>
<div class="editor-label">
<%: Html.LabelFor(model => model.Company) %>
</div>
<div class="editor-field">
<%: Html.TextBoxFor(model => model.Company) %>
<%: Html.ValidationMessageFor(model => model.Company) %>
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
<% } %>
<div>
<%: Html.ActionLink("Back to List", "Index") %>
</div>
</asp:Content>
回答by adatapost
Use ModelState.IsValidproperty
public ActionResult Create(Client client)
{
if(ModelState.IsValid)
{
// TODO: Add code here
ClientRepository rep = new ClientRepository();
rep.AddClient(client);
rep.Save();
return RedirectToAction("Index");
}
return View(client);
}
