C#数据注释未显示正确的显示名称

Question

这是我的模型类的一个片段

[Required]
[DataType(DataType.Date)]
[Display(Name = "Birth Day")]
public DateTime customerBirthDate { get; set; } = DateTime.Today;

这是我的剃须刀文件的一个片段

<div class="wrap-input100 validate-input">
<span class="label-input100">Date of Birth</span>
<InputDate class="input100" id="birthday" name="birthday" @bind-Value="CurrentCustomerSubmission.customerBirthDate" />
<ValidationMessage For="@(() => Model.customerBirthDate)" />
</div>

当我从InputDate字段中删除日期时，我希望它显示

"出生日期"字段必须是日期">

但我实际看到的是

"customerBirthDate字段必须是一个日期">

我在Chrome 中进行了测试

Answer 1

你可以这样做

[Required]
[DataType(DataType.Date,ErrorMessage = "The Birth Day field must be a date.")]
[Display(Name = "Birth Day")]
public DateTime customerBirthDate { get; set; } = DateTime.Today;

Answer 2

[Required(ErrorMessage ="{0} field  is Required"]
[DataType(DataType.Date,ErrorMessage = "{0} field must be a date.")]
[Display(Name = "Birth Day")]
public DateTime customerBirthDate { get; set; } = DateTime.Today;

您可以使用所需属性的错误消息