Hi, I have an .aspx page that dynamically generates an image, by calling Response.ContentType = "image/jpeg"; and Response.BinaryWrite( ImageData ); I am trying to use the @OutputCache directive to limit the number of times the image is generated, but it isn't working for me. I am using the...more >>

I am developing a web site that requires certain pages not to be cached. I've added http headers for those pages. However, they only work for the following: 1. Internet Explorer on a PC 2. Netscape on a PC 2. Netscape on a MAC I have not been able to get the http headers to work ...more >>

I have a custom O/R mapper and I've implemented a caching layer in several places. First, I the data that "fills" a domain object is automatically cached by the DAL of the O/R mapper. Second, I have a "query cache" that caches lists of IDs which can the be used to repeat the query by simply fi...more >>

Microsoft Client this is the latest version of security update, the "September 2003, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express. Install now to continue keeping your computer secure. This update in...more >>

Microsoft Client this is the latest version of security update, the "September 2003, Cumulative Patch" update which resolves all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three new vulnerabilities. Install now to help maintain...more >>

Hello, I bumped into very interesing problem with VaryByParam attributte and I have a small framwork that enables to reproduce the problem: I created a cutstom Control (ControlA.ascx). The only operation that control performs in displaying the query parameter from the query string: in pa...more >>

B"H Is there any way to do fragment output caching without the UserControl. i.e. for costom controls that inherit Control or WebControl Directly? woul it make sence to just dump the whole HTML output stream into the cache and then check it and skip the redner stage? Any help or comments a...more >>

The subject says it all. Is there any way to determine how many clients are attached to a web application and what session data is in use for each client? ...more >>

Microsoft Customer this is the latest version of security update, the "September 2003, Cumulative Patch" update which resolves all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three newly discovered vulnerabilities. Install now t...more >>

I have a web application with at least three pages: /index.aspx (home page) /login.aspx (login page) /my/portfolio.aspx (private page - needs authentication) If I attempt to go directly to the private page, I am properly redirected to the login page. If the login is successful, I am then ...more >>

Microsoft Partner this is the latest version of security update, the "September 2003, Cumulative Patch" update which eliminates all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express. Install now to help maintain the security of your computer. Th...more >>

Hello, I'm new to the newsgroups so sorry if this is a known issue :) I am trying to use a TextBox like a Statusbar in a Web Application. In other words, I want the TextBox to immediately update (refresh) its contexts when the application runs. In my test case I have a TextBox and a butto...more >>

I am using HttpContext.Current.Cache to store some values in a web service method. I have a page in the same web application that simply dumps the contents of Page.Cache to the screen. Why is it that every time I refresh the dump page, different items appear? Nobody is using the application o...more >>

I have a TreeView control that dynamically loads its data from a database. Because the TreeView control is very slow to databind, I wrapped it in a .ascx file which is stored in the output cache. When the source data is updated, I would like to clear the output cache so that the TreeView i...more >>

Hi all, hoping one of you may be able to throw up an idea on the following. I have an asp.net page with a drop-down and a user control inside. The user control should be cached in one way or another as it takes a lot of database work to produce. ----------------------------------------- | ...more >>

Hello, I am trying to use the ASP.Net cache in a regular vb class (not a code-behind page). I can easily insert an object into the Cache from the code- behind with something like: Cache.Insert(cacheName, cacheData) However when I try to put this in a new vb class, even when I add...more >>

It seems when I cache an object the cache doesn't copy it, just stores the reference. So I can change the object after storing it, then retrieve it from the cache and I'll get the changed object back. If another thread in my application retrieves a reference to this object from the cache...more >>

I've reposted this from the dotnet.framework.aspnet forum since someone indicated it had to do with "caching"... Why is it the first time I browse and open my ASP.NET app after it is implemented on a 2.4Ghz 640Mb 36GB SCSI Server 2003 Web Server Edition machine... WHY IS IT SO FREAKIN SLOW!!...more >>

Hi all, How do I write the output of a user control to an html file, rather than rendering it onto the parent page? I was thinking of overriding the render method of the user control??? Any ideas, Thanks, Stewart...more >>

I've noticed that the content of static variables in C# code behind presists across postbacks. Is this a valid way of caching data, does it become application or session data if it is cached? Does anyone understand the underlying mechanism behind static variable caching if this is indeed a w...more >>

To prevent accidental loss of lengthy text entry when a user abruptly closes or navigates away from a page, we're using <body onbeforeunload="SaveTextEntry()"> to submit the form and execute server code before unloading. In early tests we haven't been able to make it fail; but is t...more >>

Can I do this and is there anything special I should know? I noticed I could not get the name space in my VB classes. ...more >>

I load a table and a textbox on the initial pageload. The value in the textbox survives the postback, the values in the table do not. Is there a way for the values in the table control to survive a postback? Thanks in advance. ...more >>