Answer / srikanth

Hi Jiten, you're mistaken bydefault all the asp.net
controls are server controls that runs server side, so
validation controls do. To reduce the burden on the server
we will use javascript validation which will be done client
side.

Answer / jiten

Asp.Net has few validation control like
campare , requirefield , rang ,regulorexpression and custom

u can use any validation control with html ,asp control

Asp.net validation control are by default cilde side
validation .
and the cliend side validation is better blz it's reduse
the burdon to the server

Answer / sathish

how do you do validations in vb.net project

Answer / sudhir sheoran

Validation can be done at server side as well as
client side.

Client side validations :-
1) are of great use with the enhancement of
java scripts.
2) Performance booster as validation is done at client side.
3) security issues are there in client side validation.
4) So should be used for simple operations like
user input validations e.g valid name,valid date range,
valid phone number,email etc,where security is of not
that much concern.

Server Side validation(SSV):
1) Some validations can be done at server side only
e.g whether a email exists in database or not.
2) Decreases performance because of more trips to server
3) When security is a concern SSV should be used.

Answer / anjani mittal

ASP.net has some validation controls which r used for validation of entry in the textboxes,dropdown & other controls etc.
These Validation Controls r:-
1> Required field validator.
2> Regular Expression field validator.
3> Range Validator.
4> Compare validator.
5> Custom field validator.
6> Validation field summary(used to display error messages).

Client side validation is better than that of server side validation b'coz it reduces the load on server by using client side validation & by doing this server performance increases & there responsivess is efficient....

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