Interview Questions

1. Data Annotations are implemented as

Options:

a. Sealed classes

b. Static classes

c. Attribute classes

d. Regular classes

Reveal Answer

2. Data Annotations are in namespace

Options:

a. System.ComponentModel.Annotation

b. System.Data.Annotations

c. System.DataAnnotations

d. System.ComponentModel.DataAnnotations

Reveal Answer

3. Data Annotations can be used only in ASP.NET MVC Applications

Options:

a. True

b. False

Reveal Answer

4. Data Annotations are used wit

Options:

a. Controller

b. Model

c. View

d. Business Objects

Reveal Answer

5. Which of the following are not valid Annotation

Options:

a. StringLength

b. Remote

c. CreditCard

d. FileExtensions

Reveal Answer

6. Display Attribute can be used for which of the following

Options:

a. Either Show or Hide model property

b. Setting the Order of Model Properties

c. To set the text of label of Model Property

d. Format the Value of Model property

Reveal Answer

7. Which property of Validation Attributes can be used for changing the error message?

Options:

a. Text

b. ErrorMessage

c. Error

d. ErrorText

Reveal Answer

8. public class Employee { [Required(_____________ = "User Name is Required")] public string UserName { get; set; } } Fill In the blank

Options:

a. ErrorMessage

b. Required

c. Error

d. Message

Reveal Answer

9. [_________(1, 10)] public int PropertyName { get; set; } Fill in the blank if the value of PropertyName should between 1 and 10

Options:

a. Between

b. RangeValidation

c. Range

d. BetweenValidation

Reveal Answer

10. [FileExtensions(__________ = "png,jpg,jpeg,gif")] Public string Photo {get; set ;} Fill in the blank.

Options:

a. Types

b. Files

c. Attachments

d. Extensions

Reveal Answer

11. What is the significance of @Html.ValidationSummary

Options:

a. To display all client validation errors

b. To display validation errors on server

c. To display validation error of a given model property.

d. To display all default values of model properties

Reveal Answer

12. . Which of the following should be used for showing error message on validation failure

Options:

a. Html.ValidateErrorFor(model => model.UserName);

b. @Html.ValidationMessageFor(model => model.UserName)

c. Html.ValidateFor(model => model.UserName);

d. Html.ErrorMessageFor(model => model.UserName);

Reveal Answer

13. public class Employee { [Remote("X", "Y")] public string UserName { get; set; } //… }

Options:

a. X is Controller Y is Action Method

b. X is Action Method Y is Controller

c. X is any public class Y is a method in it.

d. Y is any public class X is a method in it

Reveal Answer

14. Which of the following attributes can be used for validating a text field for email

Options:

a. RegularExpression

b. Email

c. DataType

d. Compare

Reveal Answer

15. Which of the following object can be used to get the list of all validation errors?

Options:

a. View

b. Model

c. ModelState

d. Controller

Reveal Answer

16. For client side validations which two of the following statement should be included in the .cshtml file / layout file

Options:

a. @Scripts.Render("~/bundles/jqvalidation");

b. @Scripts.Render("~/bundles/modernizr");

c. @Scripts.Render("~/bundles/jquery")

d. @Scripts.Render("~/bundles/jqueryval");

Reveal Answer

17. Which of the following attribute can be used for validating a field without posting the entire form to server

Options:

a. CustomValidation

b. Remote

c. AjaxValidation

d. ServerValidation

Reveal Answer

18. Which of the following attribute can be used for validating a field and requires posting the entire form to server?

Options:

a. CustomValidation

b. Remote

c. AjaxValidation

d. ServerValidation

Reveal Answer

19. CustomValidation Attribute can be used for ?

Options:

a. Client Side Validation

b. Server Side Validation

c. Both Client and Server Side Validation

d. There is no such Attribute

Reveal Answer

20. Which of the following can be used for disabling client side validations ?

Options:

a. @{Html.EnableValidations(false);}

b. @{Html.DisableClientValidation(true);}

c. @{Html.ClientValidations(false);}

d. @{Html.EnableClientValidation(false);}

Reveal Answer

21. Which of the following interface must be implemented Model object for validating more than one properties?

Options:

a. IModelValidator

b. IValidatableObject

c. IFormValidator

d. IValidationObject

Reveal Answer

22. What is the return type of Validate method of IValidableObject?

Options:

a. ValidationResult

b. ValidationResult []

c. String []

d. IEnumerable

Reveal Answer

23. To implement custom client side validation, which of the following interface should be implemented?

Options:

a. IClientValidatable

b. IValidableObject

c. IClientValidation

d. IValidateClient

Reveal Answer

24. . If Model class name is X, which of the following is valid syntax for associating Metadata with it for validations. public class XMetadata { [Required(ErrorMessage = "Name is required")] public string Name { get; set; } } [_______________] public class X { } Fill in the above blank

Options:

a. [System.ComponentModel.DataAnnotations.MetadataType(typeof(XMetadata))]

b. [System.ComponentModel.DataAnnotations.Metadata(XMetadata)]

c. [System.ComponentModel.DataAnnotations.Metadata(typeof(XMetadata))]

d. [System.ComponentModel.DataAnnotations.MetadataType(XMetadata)]

Reveal Answer

Interview Questions and Answer

1. Data Annotations are implemented as

2. Data Annotations are in namespace

3. Data Annotations can be used only in ASP.NET MVC Applications

4. Data Annotations are used wit

5. Which of the following are not valid Annotation

6. Display Attribute can be used for which of the following

7. Which property of Validation Attributes can be used for changing the error message?

8. public class Employee { [Required(_____________ = "User Name is Required")] public string UserName { get; set; } } Fill In the blank

9. [_________(1, 10)] public int PropertyName { get; set; } Fill in the blank if the value of PropertyName should between 1 and 10

10. [FileExtensions(__________ = "png,jpg,jpeg,gif")] Public string Photo {get; set ;} Fill in the blank.

11. What is the significance of @Html.ValidationSummary

12. . Which of the following should be used for showing error message on validation failure

13. public class Employee { [Remote("X", "Y")] public string UserName { get; set; } //… }

14. Which of the following attributes can be used for validating a text field for email

15. Which of the following object can be used to get the list of all validation errors?

16. For client side validations which two of the following statement should be included in the .cshtml file / layout file

17. Which of the following attribute can be used for validating a field without posting the entire form to server

18. Which of the following attribute can be used for validating a field and requires posting the entire form to server?

19. CustomValidation Attribute can be used for ?

20. Which of the following can be used for disabling client side validations ?

21. Which of the following interface must be implemented Model object for validating more than one properties?

22. What is the return type of Validate method of IValidableObject?

23. To implement custom client side validation, which of the following interface should be implemented?

24. . If Model class name is X, which of the following is valid syntax for associating Metadata with it for validations. public class XMetadata { [Required(ErrorMessage = "Name is required")] public string Name { get; set; } } [_______________] public class X { } Fill in the above blank

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