自定义日期范围验证在.NET 5迁移后未删除时间

public class DateRangeValidator : ValidationAttribute
{
    protected override ValidationResult IsValid(object value, ValidationContext validationContext)
    {
        if (value is DateTime date)
        {
            if (date >= MinDate && date <= MaxDate)
            {
                return ValidationResult.Success;
            }
        }
        return new ValidationResult($"Date must be between {MinDate} and {MaxDate}");
    }

    public DateTime MinDate { get; set; }
    public DateTime MaxDate { get; set; }
}

public class MyModel
{
    [DateRangeValidator(MinDate = new DateTime(2020, 1, 1), MaxDate = new DateTime(2030, 12, 31))]
    public DateTime MyDate { get; set; }
}

{
  "AppSettings": {
    "MinDate": "2020-01-01",
    "MaxDate": "2030-12-31"
  }
}

[TestClass]
public class DateRangeValidatorTests
{
    [TestMethod]
    public void Validate_ValidDate_ShouldReturnSuccess()
    {
        var validator = new DateRangeValidator { MinDate = new DateTime(2020, 1, 1), MaxDate = new DateTime(2030, 12, 31) };
        var result = validator.IsValid(new DateTime(2025, 6, 15));
        Assert.IsTrue(result);
    }

    [TestMethod]
    public void Validate_InvalidDate_ShouldReturnFailure()
    {
        var validator = new DateRangeValidator { MinDate = new DateTime(2020, 1, 1), MaxDate = new DateTime(2030, 12, 31) };
        var result = validator.IsValid(new DateTime(2019, 12, 31));
        Assert.IsFalse(result);
    }
}