Explain how validation controls are used to validate forms, DOT NET Programming

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Question:

(a) List the two main advantages of developing a Multitiered Web Applications.

(b) Explain how Validation controls are used to validate forms.

(c) Using components is an excellent method of moving application logic outside ASP.NET pages. However, components have one serious shortcoming.

(i) explain the above statement
(ii) how would you overcome the above situation?

(d) Using appropriate ASP.NET validator controls, write extract codes to validate the following form fields as described:

(i) email field must not be empty
(ii) Credit card number field must contain exactly 16 numbers
(iii) DOB field must contain a valid date.


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