You are designing an ASP.NET Web application. You have the following requirements:
Users must be allowed to save their work in progress on one computer and to continue the
work on another computer. Data that is submitted for processing must be valid, and invalid
data must be rejected. Primary key constraints within the database must be enabled at all
times The application must store only data that is entered by the user You need to design
data validation to support the requirements. Which two approaches should you recommend
(Each correct answer presents part of the solution. Choose two.)
A.
Use validators to verify the data when the user submits a form.
B.
Add an is Temporary column to each database table, and set all columns to allow null
values
C.
Provide default values for the database columns, and submit the form with user-entered
values when the user saves the form.
D.
Store temporary form data as XML in a database table.