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c# Programming Glossary: validationattributeWriting a CompareTo DataAnnotation Attribute http://stackoverflow.com/questions/1607832/writing-a-compareto-dataannotation-attribute LessThan GreaterThan public class CompareToAttribute ValidationAttribute CompareToOperation _Operation IComparable _Comparision public.. LessThan GreaterThan public class CompareToAttribute ValidationAttribute CompareToOperation _Operation string _ComparisionPropertyName1..
ASP.NET MVC: Custom Validation by Data Annonation http://stackoverflow.com/questions/16100300/asp-net-mvc-custom-validation-by-data-annonation attribute public class CombinedMinLengthAttribute ValidationAttribute public CombinedMinLengthAttribute int minLength params string..
.NET MVC Custom Date Validator http://stackoverflow.com/questions/3614076/net-mvc-custom-date-validator this question public sealed class DateStartAttribute ValidationAttribute public override bool IsValid object value DateTime dateStart.. DateTime.Now public sealed class DateEndAttribute ValidationAttribute public string DateStartProperty get set public override bool..
ASP.Net MVC 2 Controller's TryValidate doesn't validate the List<> items within the model http://stackoverflow.com/questions/4465432/asp-net-mvc-2-controllers-tryvalidate-doesnt-validate-the-list-items-within to overcome this is to define your own implementation of a ValidationAttribute public class ListValidationAttribute ValidationAttribute public.. implementation of a ValidationAttribute public class ListValidationAttribute ValidationAttribute public override bool IsValid object value.. a ValidationAttribute public class ListValidationAttribute ValidationAttribute public override bool IsValid object value IEnumerable enumerable..
How does DataAnnotations really work in MVC? http://stackoverflow.com/questions/5154231/how-does-dataannotations-really-work-in-mvc custom attributes I have found that I can derive them from ValidationAttribute but maybe for some reason I don't want . Can someone explain.. using dataannotations EDIT Also with deriving from ValidationAttribute the client side validation is not working automatically. Why.. Create a Custom Validation Attribute that inherits the ValidationAttribute interface and override the IsValid or Create a Self Validate..
MVC Form Validation on Multiple Fields http://stackoverflow.com/questions/6075339/mvc-form-validation-on-multiple-fields this question I actually ended up implementing a custom ValidationAttribute to solve this using the same type of logic presented in CompareAttribute.. javascript public class MultiFieldRequiredAttribute ValidationAttribute IClientValidatable private readonly string _fields public MultiFieldRequiredAttribute..
How to add validation attribute to model property in TemplateEditor in MVC3 http://stackoverflow.com/questions/7032340/how-to-add-validation-attribute-to-model-property-in-templateeditor-in-mvc3 Create ModelMetadata metadata ControllerContext context ValidationAttribute attribute return new DataAnnotationsModelValidator metadata..
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