451
votes
26answers
238k views

A potentially dangerous Request.Form value was detected from the client

Everytime a user posts something containing < or > in a page in my webapp, I get this exception thrown. I don't want to go into the discussion about the smartness of throwing an exception or ...
0
votes
1answer
36 views

Display image in validation

I am working in ASP.Net MVC. I have to submit a form, which i can validate, only by showing error messages. But i don't want to show text in case of error, rather want to show image. Please tell me ...
3
votes
1answer
115 views

MVC form validation without form submission

I have a standard form populated by an MVC model with standard [Required] validation. I want to "submit" this form data via AJAX, not by a submit, and I would like to take advantage of the built-in ...
0
votes
1answer
54 views

Data annotation is not working with checkbox

Custom Attribute public class BooleanMustBeTrueAttribute : ValidationAttribute { public override bool IsValid(object propertyValue) { return propertyValue != null ...
0
votes
1answer
24 views

MVC custom validation attribute

Is it possible to get HTML custom attribute (client-side) when server fire the ValidationResult. I am doing like this Model Class : public class Model_Test { [Age(18,50)] [Display(Name ...
0
votes
2answers
23 views

asp net mvc custom client side validation for one field

I want to the override default client side validation for only one form field. what I did is: $( ".txt-field" ).change( function( event ) { if ( !checkField( $(this).val() ) ) { ...
0
votes
1answer
32 views

Prevent html tags entries in mvc textbox using regular expression

I want to prevent any html tags (written between "<>") in a textbox in my mvc 4 application. I have given the data annotation regular expression for my property as follows: ...
0
votes
3answers
289 views

How to validate DateTime inside TextBoxFor ASP.NET MVC

I have this code: @Html.TextBoxFor(m => Model.MyDateTime) MyDateTime - is DateTime object. It shows correct date and time inside textbox: 09/10/2010 05:19:56 PM But when I try to click submit ...
0
votes
1answer
32 views

mvc custom validation min price

I have a project. And I need a custom validation for find minimum price. Now first off all my model is in here; public class ReservationModel { [Required] public DateTime BeginDate { get; ...
2
votes
1answer
66 views

Email address validation using ASP.NET MVC data type attributes

I have some problems with the validation of a Email. In my Model: [Required(ErrorMessage = "Field can't be empty")] [DataType(DataType.EmailAddress, ErrorMessage = "E-mail is not valid")] ...
1
vote
1answer
39 views

Data annotations extensions validators: Is .c0m a valid TLD

I downloaded Data Annotations Extensions for .NET from Data annotations extensions for use to validate user input in an C#/ASP.NET MVC application. The library came with high commendations from the ...
1
vote
2answers
52 views

ASP.NET MVC4 Validation

I have a View model public class TrainingProgramScheduledDateVM { public bool IsTuesday { get; set; } [DataType(DataType.Time)] public string TueStartTime { get; set; } ...
1
vote
1answer
41 views

ASP.NET MVC 4 Zip Code Validation

I am using ASP.NET MVC 4 and I am looking for a attribute for Zip Code Validation [Required(ErrorMessage = "Zip Code is Required")] [ZipCode] public string ZipCode { get; set; } I know this doesn't ...
1
vote
1answer
31 views

asp.net MVC 4 SSN Validation

I am using ASP.NET MVC 4 and I am looking for an attribute for SSN Validation. [Required(ErrorMessage = "Social Security is Required")] [SSN] public string SSN { get; set; } I know this doesn't ...
2
votes
3answers
196 views

Where to run a duplicate check for an entity

I'm looking for advice on the "best" place to put validation logic, such as a duplicate check for an entity, when using Entity Framework Code-First, in an MVC application. To use a simple example: ...

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