Question

朋友，

这个问题在过去2天真让我烦恼。我终于决定把它放在SO上。

我的模型中有以下属性

[Required]
[StringLength(20, MinimumLength = 4, ErrorMessage = "Length of this field should be between 3 and 20.")]
public string Password { get; set; }

[Required]
[StringLength(20, MinimumLength = 4, ErrorMessage = "Password Lenght should be between 4 and 20.")]
[Compare("Password", ErrorMessage = "Password did not match")]
[Display(Name = "Retype Password")]
public string RePassword { get; set; }

在razor中使用HTML创建相同的输入字段。

<div class="form-group">
    @Html.LabelFor(m => m.Password, new { @class = "control-label col-md-4" })
                <div class="col-md-4">
                    @Html.PasswordFor(m => m.Password, new { @class = "form-control", placeholder = "Password" })
                </div>
    <div class="col-md-4">
        @Html.ValidationMessageFor(m => m.Password)
    </div>
</div>
<div class="form-group">
    @Html.LabelFor(m => m.RePassword, new { @class = "control-label col-md-4" })
                <div class="col-md-4">
                    @Html.PasswordFor(m => m.RePassword, new { @class = "form-control", placeholder = "Retype Password" })
                </div>
    <div class="col-md-4">
        @Html.ValidationMessageFor(m => m.RePassword)
    </div>
</div>

始终呈现以下HTML

<div class="form-group">
    <label class="control-label col-md-4" for="Password">
        Password
    </label>
    <div class="col-md-4">
        <input id="Password" class="form-control" type="password" placeholder="Password" name="Password" data-val-required="The Password field is required." data-val-length-min="4" data-val-length-max="20" data-val-length="Length of this field should be between 3 and 20." data-val="true"></input>
    </div>
    <div class="col-md-4">
        <span class="field-validation-valid help-block" data-valmsg-replace="true" data-valmsg-for="Password"></span>
    </div>
</div>

<div class="form-group">
    <label class="control-label col-md-4" for="RePassword">
        Retype Password
    </label>
    <div class="col-md-4">
        <input id="RePassword" class="form-control" type="password" placeholder="Retype Password" name="RePassword" data-val-required="The Retype Password field is required." data-val-length-min="4" data-val-length-max="20" data-val-length="Password Lenght should be between 4 and 20." data-val-equalto-other="*.Password" data-val-equalto="'Retype Password' and 'Password' do not match." data-val="true"></input>
    </div>
    <div class="col-md-4">
        <span class="field-validation-valid help-block" data-valmsg-replace="true" data-valmsg-for="RePassword"></span>
    </div>
</div>

它无论我在ErrorMessage属性Compare中写什么，它data-val-equalto属性的'Retype Password' and 'Password' do not match.属性始终具有相同的值RePassword < / p>

Answer 1

这是一个错误：CompareAttribute does not use custom error messages已修复

下载固定的CompareAttributeAdapter http://aspnetwebstack.codeplex.com/Download/AttachmentDownload.ashx?ProjectName=aspnetwebstack&WorkItemId=1401&FileAttachmentId=755657 和RegisterAdapter

DataAnnotationsModelValidatorProvider.RegisterAdapter(typeof(System.ComponentModel.DataAnnotations.CompareAttribute), typeof(TheFixed.CompareAttributeAdapter));

Answer 2

这个答案已经很晚了所以我相信你已经弄明白了，因为我没有找到任何直接回答这个问题的在线解决方案，所以我决定分享我为了那些寻求解决方案的人所做的工作。：

创建自定义比较属性并将自己的错误应用于它。

public class CustomCompareAttribute : CompareAttribute
{
    public CustomCompareAttribute(string otherProperty, string ErrorCode) : base(otherProperty)
    {
        ErrorMessage = CustomMessage(ErrorCode);
    }

    private static string CustomMessage(string ErrorCode) 
    {
        string ErrorMsg = ErrorCode;
        //ErrorMsg = Translate.Item(ErrorCode);  <-- My logic from database
        return ErrorMsg;
    }

}

然后在您的模型中，您只需添加自定义注释（省略“属性”一词）：

[Required]
[StringLength(20, MinimumLength = 4, ErrorMessage = "Password Lenght should be between 4 and 20.")]
[CustomCompare("Password", "My own message: Passwords do not match!")] // <-- Use your new Custom Attribute here
[Display(Name = "Retype Password")]
public string RePassword { get; set; }

MVC模型类中比较属性的错误消息不正确（对于jquery unobtrusive）

2 个答案: