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Main thing to remember, desktop is stateful, web is stateless. And yes, holding 20 datatables in session will be bad for performance.
If really necessary (and if they are application general stuff), consider the cache.
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mr_muskurahat wrote: can anybody please guide me what are the key points to keep in mind while converting a desktop/client server application to a web appliation
1. Web Application should be deployed in a central location (Web Server ) , so you need to maintain session for all user becase all user access the same application.
2. Look into server side and client side code. avaoid unnecessary post back to server.
mr_muskurahat wrote: 1) do i have to fill all the datatables and keep them into sesssion if i do that will these session effect the website while loading time???
Yes you can store your datatable in a session and can access from all of the appliction.
at the time of Storing Datatable in a session , you should consider about the datatable size and also session size etc., because it can damage your application performance.
If DataTable Data is same for all user and not frequently changed then you can Use Caching or Application Variable.
cheers,
Abhijit
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For your first question
A: You need to keep in mind all the user based data,so need better session management(try to reduce session data per user).
B: Minimise the size of aspx pages becuse it can severely harm the perfomrmance of your application.
C: If you application is very secured,don't send the valuable data in plain text always encrypt it and use HTTPs.
And for second,
if they are shared for all users the use cache else it will be better to use some database smartly else you apllication is going to be very slow.
Hope your query will be resolved by this 
Cheers!!
Brij
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Hi,
I need to show message box(alert) with out use of javascript.
How should i get this?
Thanks in advance.
Regards,
Venkat
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Use AJAX model Extender control then, which is heavy and time consuming
What is the problem in using javascript ?
Thanks and Regards
Sandeep
If If you look at what you do not have in life, you don't have anything,
If you look at what you have in life, you have everything... "
Check My Blog
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AJAX Also uses javascript (aJAx)
You can embed a VBScript and display a messsagebox (MsgBox), however i'm not sure if all platforms support this messagebox.
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I dont want any scriptting languages.Using only c#
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Some browsers cannot support javascript.So only i need with out javascript.
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You can't. Simple enough. Unless you just want it to open on the server...
You want dynamic things to happen on the client, must use script.
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I don't think it can be done without any scripting language.you can do one thing,use javascript keeping in mind the browser on that your application going to be used.
Cheers!!
Brij
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hi frnds
i need to know whether we have click event for web page close(X) button
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There is no specific event that is going to call when you click X browser button to close the browser.
but you can write a javascript function that will check where the user has clicked depending on its X and Y co-ordinate
Please have a search on google for it i think you will get the code easily
Thanks and Regards
Sandeep
If If you look at what you do not have in life, you don't have anything,
If you look at what you have in life, you have everything... "
Check My Blog
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coz i have to give opacity for my web page while closing the browser button
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Cou can capture the event using Javascript. There's no server-side event which will fire..
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i need to give opacity for my web page while closing the browser button
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'give' ??
You want to create a fade-out like effect of so?
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hi vidya,
try this code it will work out
ur image is close image which you have set
width="49" height="317" border="0" align="right" usemap="#close" title="Close"/>
Give the coordinates according to ur requirement
T.Balaji
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I open a connection to the database on each event on my page
If I want to close this connection can I put it at the end of the each event even if its after a response.redirect line?
thanks
Whats the difference between a triangle and Tottenham Hotspur?
A triangle has 3 points.
Formerly know as .netman
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No. Close your connection before redirection. In fact, close your connection at the earliest possible moment - as soon as you have done what you need..
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Hi All,
I am trying to develop an web application which displays charts to show represent different information. I am planning to use OWC(Office Web Component) in my .Net application. One of the requirement want to display doughnut/pie chart in such a way that each sector of pie chart must include much deeper detailed sectors (Pie Chart in Pie Chart).
Sample data could be like this
Product Sale Q1 Q2 Q3 Q4
CPU 38 5 15 10 8
KB 10 4 2 3 1
Mouse 13 2 6 1 4
Monitor 20 5 5 5 5
HD 25 6 4 8 6
DVD 20 5 3 7 5
Now here sale would be a main chart within which there will be a small chart with quarterlies sale for each product.
Can anyone please help me how can I draw this type of chart in my application or even just in MS Excel?
Thank you.
Krishnaraj Barvathaya B
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Hello,
I am working with visual studio 2005,
My problem is when i am usting update panel(ajax), tab index is not working, whether we need set any properties while using update panel, i can't understood what may be the reason.
Please tell me, how set tabindex when we use Ajax Update panel.
Please help me...
Thanks in advance...
Pinna
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Are you asking about Focusing the control after asynchronous postback ?
Please have a look at this code snippet and write this code Page PreRender
event of each Page or base page pre render event
if (_scriptManager != null && _scriptManager.IsInAsyncPostBack)
{
Control ctrlWhichRaisedAsyncPostBack = Page.FindControl(ScriptManager.AsyncPostBackSourceElementID);
if (ctrlWhichRaisedAsyncPostBack != null)
{
ScriptManager.SetFocus(ctrlWhichRaisedAsyncPostBack.ClientID);
}
}
Thanks and Regards
Sandeep
If If you look at what you do not have in life, you don't have anything,
If you look at what you have in life, you have everything... "
Check My Blog
modified on Tuesday, October 21, 2008 8:36 AM
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Hi friend thanks for you reply..
your right, am asking about focusing the control after asynchronous postback.
Can i get the snippet code for asp.net with vb.net.
and one more in above code...
in place of ctrlWhichRaisedAsyncPostBack, what should i have to write, you mean i have to write controlId(am i Correct?)..
Please Help me...
Looking forward for your reply...
Pinna
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