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InterviewSolution
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What is “Unobtrusive Validation? |
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Answer» Unobtrusive javascript library allows to add validation to MVC views without any additional coding, only required to use attributes like RequiredAttribute, RangeAttribute and include the correct script files. Example: public class AddUserVM { [DisplayName("First Name:")] [Required(ErrorMessage = "Please enter the first name.")] public string FirstName { get; set; } [DisplayName("Last Name:")] [Required(ErrorMessage = "Please enter the last name.")] public string LastName { get; set; } [DisplayName("Age:")] [RANGE(12, 120, ErrorMessage = "You must be between 12 and 120 years of age.")] public int Age { get; set; } [DisplayName("Email:")] [Required(ErrorMessage = "Please enter an email address.")] [EmailAddress(ErrorMessage = "Please enter a valid email address.")] public string EmailAddress { get; set; } }The above class setup is to HANDLE the server side validations. Unobtrusive validations allow us to take existing validation attributes and use them at client-side to make the user experience much better. |
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