Keywords: image cache caching css stylesheet expire expiration asp.net c#
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I'm using ASP.NET and C#.
I'm trying to figure out if it's possible to set the expiration date or the

We have written an asp.net app, which is apparently being cached by various
British ISP's, and this is recking havoc with our app, as the proxy servers
apparently are disregarding the session id within the URL (we work
cookieless), such as www.widgets.com/(asdiufya09r8)/mypage.aspx, ...

Are there any size limitations to the System.Web.Caching.Cache object? If
not a hard limit, how should one guage the optimal amount of data to put
into it? At what point will it start to choke?

I'm building an application that makes heavy use of centralized static
methods (and variables) and would just appreciate hearing someone grade my
understanding of the concept.
In probably common fashion, my static methods are typically in the DAL of my

 I am using "Server.Transfer()" to send data to an ASP.NET page that's
sole purpose is to display messages. I am using "Server.Transfer since I
can set the contents of the message I want to display via the properties
of the page that is initiating the Server.Transfer() and also ...

According to the documention the maximum value for duration is a positive
integer (2147483647), but if i specify the max value for an integer then it
thows the following error.
Specified argument was out of the range of valid values. Parameter name:

I have the following problem:
I have a private method that returns a SqlDataReader. For this to work I
have not to close the DB connection in the above method. I do this only to
have the possibility to iterate through the entire rows set in a while loop,

I am getting the following error when I m trying to cache a datareader
object .
any ideas ?
Invalid attempt to FieldCount when reader is closed.

I am working on a XML based portal system and was looking for ways to improve upon its performance. Can anybody give me some insight on how to do output caching of a page (which is build of controls) and manage authentication whith the same
I mean how can you cache content but at ...

I'm trying to wrap my head around the proper way to use the cache.  I'm a
bit new to .NET, so I apologize if some of my terminology is wrong, but here
goes.
I have a class MyClass, that essentially works with MyTypedDataset (a typed

Im having problems with some checkbox generated at runtime.
In a form, i draw some html checkboxes, each chekbox represents a kinda
"department" the user is linked to. The problems is that when a postback is
generated and the page reloads, the old state (checked) of the checkboxes

We have built a web control that allows users to specify details for a query
then displays the data on the page.  As is typical of an .aspx web
application the URL doesn't change and the information entered by the user
is carried forward in session state.  We have a user that wants ...

I am using Infragistics UltraWebTab (a tab folder control for ASP.NET).  My
tab folder control will include five tab pages with a separate web form on
each, and these web forms will share data.
My questions regard the data tier, that is, how I should construct the data

Sorry if this is a FAQ,
we have a site that is mainly visited by anonymous users, and we have some
complex pages (they are really CMS templates, by the way).
We are thinking about the possibility of caching only the "guest" version of

I have a strange problem:
ASP.net caches my aspx pages, the code not the output.
For testing is created a page and inserted the folowing into the body:
<%=now.tostring%>