I'm using ASP.NET MVC 3 code-first and I have added validation data annotations to my models. Here's an example model: public class Product { public int ProductId { get; set; } [Required(ErrorM...

I'm messing around with data annotations. When I click on a link to go to a page, the validation messages are being displayed, but I would like to have the validation messages not show unless data ...

Say you have a standard ValidationSummary: <%: Html.ValidationSummary(excludePropertyErrors: true) %> If the ModelState contains model errors for properties but not for the model itself th...

I have an ASP.net MVC model with a date: public class EditModel { [Display(Name="DOB")] public DateTime? DateOfBirth { get; set; } } @Html.TextBoxFor(m => m.DateOfBirth) @Html.ValidationMes...

I have got a hidden field with a validation for it as below @Html.HiddenFor(m => m.Rating) @Html.ValidationMessageFor(m => m.Rating) The Rating property has Range validator attribute appli...

I'm trying to inherit the RegularExpressionAttribute to improve reusability with validating SSNs. I have the following model: public class FooModel { [RegularExpression(@"^(?!000)(?!666)(?!9[0-9...

I have a RangeValidator on a property in my model to only allow Integers that are between 0 and 100. I have a partial view that displays a form to update the property via a jQuery UI dialog. I have...

I have an ASP.NET MVC 4 App that uses the jQuery.validation.js plugin and MVC's jQuery.validation.unobtrusive.js. I use data annotations on my view model to validate a textbox's input to be an inte...

I am using a form to upload a file. I want only PDF files to be uploaded. This is my code: A input box to allow the user to choose a file: @Html.FileBox(m => m.FileName, new { id = "FileName",...

Working on a MVC 3 application. I need to add a class to the validation message html. I mean for span tag. My Model [Required(ErrorMessage = "Role Name is required")] [RegularExpression(@"^[a-...

I have a class user which looks like this: public class User { public int UserId { get; set; } [Required(ErrorMessage = "A username is required.")] [StringLength(20, ErrorMessage = "Your usern...

I have a two step form process where the first set of data is stored in session. [IsMp4File] [Required(ErrorMessage = "* Please select a video to upload")] public HttpPostedFileBase VideoClip { ge...

I'm trying to solve a "A potentially dangerous Request.Form value was detected from the client" problem, and SO answers and Scott Hanselman recommend setting <httpRuntime requestValidationMode...

A weird thing keeps happening on one of my ASP.NET MVC 3 apps. I am fetching insert rows via jQuery Ajax api and there is no problem with that. But when I get the necessary partial view back, it i...

I have the following view in ASP.net MVC 3: @model Models.CreateProjectViewModel <script type="text/javascript" src="@Url.Content("~/Scripts/jquery.validate.min.js")"></script> <sc...

I'd like to create a custom validation attribute for MVC2 for an email address that doesn't inherit from RegularExpressionAttribute but that can be used in client validation. Can anyone point me in...

I can't seem to get any client side validation working on a MVC 2 RC app. My model has the following: public class ExampleModel { [Required(ErrorMessage="Test1 is required")] [DisplayName("Test...

How can I return a list/array of all keys that have an error? I have tried to do the below, but it says I can't have that sort of expression for some reason. ModelState.ToList(item => item.Val...