我正在使用ASP.NET MVC具有不引人注目的JS,并且运行良好,但我想为这样的东西设置验证规则:
我有两个值"是"one_answers"否"的下拉列表。我也有一个文本框。
根据
从下拉列表中选择值的选择"是",我想验证该文本框值输入或不使用服务器端的客户端,如果
" no"不适合验证,我的意思是我的意思是,如果文本框值空白或输入的任何值,因为我不想存储该值,如果dropdown -list value否没有验证,则该值不应在该文本框上工作。
请有人帮助我解决这个问题。
我已经提到了很多堆叠式问题和答案,也是很好的答案,但我无法将其放在解决方案中。
我在bool中获得了下拉选择值,即
public bool IsTestUnit { get; set; }
[RequiredIfUniTestIsYes("IsTestUnit == true", true, ErrorMessage = "Please Enter Test Unit Job Order Number ")]
public long TestUnitJobOrder { get; set; }
我尝试过的代码:
public class RequiredIfUniTestIsYes : ValidationAttribute, IClientValidatable
{
public RequiredIfUniTestIsYes()
{
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var countryPropertyInfo = validationContext.ObjectInstance.GetType().GetProperty("IsTestUnit");
var countryValue = countryPropertyInfo.GetValue(validationContext.ObjectInstance, null).ToString();
if (countryValue == "True" && (value.ToString().Trim() == "" || Convert.ToInt32(value) == 0))
{
return new ValidationResult("Please Enter Unit Test Job Order Number");
}
return ValidationResult.Success;
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
var rule = new ModelClientValidationRule();
rule.ErrorMessage = "Please Enter Unit Test Job Order Number";
rule.ValidationParameters.Add("istestunit", "true");
rule.ValidationType = "isunittest";
yield return rule;
}
}
javaScript:
$.validator.addMethod("isunittest", function (state, element, country) {
var country = $('#WorkOderDetailViewModel_IsTestUnit').val();
if (country == 'True' && state == '') {
return false;
}
return true;
});
$.validator.unobtrusive.adapters.addSingleVal("isunittest", "true");
(function ($) {
$.validator.addMethod('customRequire', function (value, element) {
// your validation logic here
return true; // true if valid, otherwise false
});
$.validator.unobtrusive.adapters.add('customRequire');
})(jQuery);
我只是复制粘贴代码,不要更改名称,所以请忽略这些错误。
鉴于您将字段呈现如下:
@Html.DropDownListFor(m => m.IsTestUnit,
new[] { true, false }.Select(b => new SelectListItem { Text = b ? "Yes" : "No", Value = b.ToString().ToLower() }),
new { id = "WorkOderDetailViewModel_IsTestUnit" })
@Html.TextBoxFor(m => m.TestUnitJobOrder)
@Html.ValidationMessageFor(m => m.TestUnitJobOrder)
用模型属性声明为:
public bool IsTestUnit { get; set; }
[RequiredIfUniTestIsYes("IsTestUnit", ErrorMessage = "Please Enter Test Unit Job Order Number ")]
public long? TestUnitJobOrder { get; set; }
您可以定义这样的自定义验证器:
public class RequiredIfUniTestIsYes : ValidationAttribute, IClientValidatable
{
private string _dependency;
public RequiredIfUniTestIsYes(string dependency)
{
_dependency = dependency;
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var countryPropertyInfo = validationContext.ObjectInstance.GetType().GetProperty(_dependency);
var countryValue = (bool)countryPropertyInfo.GetValue(validationContext.ObjectInstance, null);
var number = default(long);
if (countryValue && (value == null || !long.TryParse(value.ToString(), out number)))
{
return new ValidationResult("Please Enter Unit Test Job Order Number");
}
return ValidationResult.Success;
}
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
{
var rule = new ModelClientValidationRule();
rule.ErrorMessage = "Please Enter Unit Test Job Order Number";
rule.ValidationParameters.Add("istestunit", "true");
rule.ValidationType = "isunittest";
yield return rule;
}
}
并注册客户端的不引人注目的验证:
$.validator.unobtrusive.adapters.add("isunittest", ['istestunit'], function(options){
options.rules['isunittest'] = options.params;
options.messages['isunittest'] = options.message;
});
$.validator.addMethod('isunittest', function (state, element, params) {
var country = $('#WorkOderDetailViewModel_IsTestUnit').val();
if (country == 'true' && state == '') {
return false;
}
return true;
});