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New Message on BDOTNET
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From: Ravi_Kumar_Bits
Message 2 in Discussion
Hi,
Q1. When we use validation controls
they will be triggered not only at the client side but also at the server
side, this action is by default.
So
all the validation controls will be fired once again at the server.This
you dont need to do once again.
Q2. Mainly we go for SQL Server when
we our deployment mode is Web Garden or Web Farm and mainly when we want
reliablity in our
transactions. But you can ask me why cant we use State Server
for that reason, if state server gets crashed all the session
information is
lost, but in case of SQL Server there is always the case of recovery.
Adv
: Reliablity
DisAdv
: Slow in Performance
Q3. Session is the data that is stored
in the server side, and is created on Per-user basis.But in the case of
Cookies normally these are
stored at the client side.Here i will give small
description like what is the relation between cookies and session
The
first time a user requests an .aspx file within a given application, ASPNET_WP
(worker process) generates a SessionID. A
number produced by a complex algorithm, the
SessionID uniquely identifies each user's session. At the beginning of
a new session, the server stores the
Session ID in the user's Web browser as a cookie.
The
SessionID cookie is similar to a locker key in that, as the user interacts
with an application during a session, ASP can store information
for the user in a "locker" on the
server. The user's SessionID cookie, transmitted in the HTTP request header,
enables access to this
information in the way that a locker key enables
access to a locker's contents. Each time that ASP receives a request for
a page, it checks the HTTP request
header for a SessionID cookie.
After
storing the SessionID cookie in the user's browser, ASPWP reuses the same
cookie to track the session, even if the user requests
another .aspx file,
or requests an .aspx file running in other application. Likewise, if the
user deliberately abandons or lets the session
timeout, and then proceeds
to request another .aspx file, ASPWP begins a new session using the same
cookie. The only time a user
receives a new SessionID cookie is when the
server administrator restarts the server, thus clearing the SessionID settings
stored in
memory, or the user restarts the Web browser.
Q4. Method1. If you want paging in data
grid Use SqlDataAdapter class fill the dataset bind the dataset to grid
Method2. If you
do not want paging and for good performance use SqlDataReader class and
bind the dataset to grid
Have a nice day
Regards
Ravi Kumar . P
"Mamatha_md"
<[EMAIL PROTECTED]>
06/23/2004 09:39 AM
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Message 1 in Discussion
From: Mamatha_md
Hi,
Can i get the answers for the following
Q's?
1. When i use the validation controls,
they will be triggered at the client side. How do i make it execute at
server side?
2. What are the advantages and disadvantage of storing the session values
in SQL server?
3. What is the difference between cookies and session variables?
4. What are the different methods available to bind the grid with data?
Regards,
Mamatha
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