Looking For A C# Cache Manager?
Feb 13, 2011I'm using C# with ASP.NET. I want to use System.Web.Cache. So I want a cache manager that will care about the caching and implement functions like ADD, GET, and UPDATE.
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C# - Implement System.Web.Caching.Cache Object In A Controller To Cache Specific Query?
Mar 29, 2010Is it correct to implement my caching object like this in my controller :
[code]....
And I Use it like this :
[code]....
Architecture :: Cache The Full List Of Objects In Http Cache On The Service Tier And Page In Memory?
Feb 25, 2011We have a wfc layer that wraps the business classes and database access and use a client that lives on the database layer. Amongst our group we are attempting to form standards. Some want to have the client call the web method and pass the page they are requesting and the page size. Pass that to the database and then page in SQL Server use RowNum.Some want to cache the full list of objects in http cache on the service tier and page in memory. They concern here is memory use on the server.
Which would be best for a medium number of users with potentially large number of records to manage (say 30K) Is it better to cache them all in memory and work from there or page at the database as the application scales?
New-Cache Parameters For AppFabric Cache When Storing.NET Session State
Jul 28, 2010What are the "optimal" parameters for creating an AppFabric cache when you will be storing session state in the cache? MSDN Cache-Related Commands
Powershell command line:
New-Cache [-CacheName] <String> [-Eviction <String>] [-Expirable <String>] [-Force [<SwitchParameter>]] [-NotificationsEnabled <String>] [-Secondaries <Int32>] [-TimeToLive <Int64>]
[code]...
Since I don't want my sessions to be removed unless the session has been abandoned either via code or Session Timeout...For eviction, I would think "None" and for expireable, I would think False.I have tested and calling Session.Abandon does remove the object from the cache. I have also tested to see if by extending my session, the session object in cache is also extended. This does seem to work the "correct" way.
Data Cache Support Background Population Of Cache Entries?
Aug 1, 2010We have a data driven ASP.NET website which has been written using the standard pattern for data caching (adapted here from MSDN):
public DataTable GetData()
{
string key = "DataTable";
object item = Cache[key] as DataTable;
[code]...
The trouble with this is that the call to GetDataFromSQL() is expensive and the use of the site is fairly high. So every five minutes, when the cache drops, the site becomes very 'sticky' while a lot of requests are waiting for the new data to be retrieved.
What we really want to happen is for the old data to remain current while new data is periodically reloaded in the background. (The fact that someone might therefore see data that is six minutes old isn't a big issue - the data isn't that time sensitive). This is something that I can write myself, but it would be useful to know if any alternative caching engines (I know names like Velocity, memcache) support this kind of scenario. Or am I missing some obvious trick with the standard ASP.NET data cache?
C# - Maximum Length Of Cache Keys In HttpRuntime.Cache Object?
Feb 24, 2010We are using HttpRuntime.Cache API in an ASP.NET to cache data retrieved from a database.
For this particular application, our database queries feature a LOT of parameters, so our cache keys look something like this:
table=table1;param1=somevalue1;param2=somevalue2;param3=somevalue3;param4=somevalue4;param5=somevalue5;param6=somevalue6... etc...
we have so many parameters that the cache key is several hundred characters long. is there a limit to the length of these cache keys? Internally, it is using a dictionary, so theoretically the lookup time should be constant. However, I wonder if we have potential to run into some performance/memory problem.
ADO.NET :: Use HttpContext.Current.Cache (system.web) For Cache Data Something In Project
Sep 13, 2010I have use Nhibernate in my MVC Project by me known, Nhibernate have cache on Session and Object. now, I want use HttpContext.Current.Cache (system.web) for cache data something in project. my code same that have problem, haven't it. and that's right or wrong.
View 2 RepliesAJAX :: Ajax Toolkit 3.5 Script Manager Not Compatible With Sharepoint Script Manager
Feb 25, 2011My webpages is in asp.net 3.5 and i m using Ajax Toolkit 3.5 And i want to access these all page in share point master page but the problem is that the share point script manager and ajax script manger not supported to each other(Showing error).
View 1 RepliesArchitecture :: Distributed Caching / Keeping Cache In Sync Between Multiple Webservers Or Even Better Farm Cache Management To Another Server?
Feb 26, 2010I've got a web application that runs of a state server. It looks like soon it may need to distributed and there will be two web servers behind a load balancer.
This works great for session state but my next challenge is Cache
My application leverages heavily of cache. I understand ASP.Net 4.0 will be offering more here but nothing much has been said about the how too.
There are two challenges that I face
1). Each webserver will have its own copy of cache whereas it would be more efficient to put this to a third server the same as session state is put to state server.
2). The real challenge is keeping cache in sync if a simple dataset derived from the database is changed my code dumps that cache item and reloads the cache. That's all well on one webserver but webserver number two wont know to drop that particular cache item and reload it. This could cause some unexpected problems in the application.
For scenario number 2 I could attempt to do some smart coding so server number two knows to dump the cache and reload it.
My guess is someone else has already been here before and there's probably a better implementation approach rather than writing extra code.
Does anyone know how I could achieve the goal of keeping Cache in sync between multiple webservers or even better farm Cache management to another server?
Is Page Output Cache Stored In.NET Cache Object?
Nov 2, 2010I need to enable caching in my asp.net application, but I do not want to use the webserver's memory for holding cache objects. If I add the page directive for output caching will the page be stored in the asp.net cache object?
View 2 RepliesC# - Application_End() Cannot Access Cache Through HttpContext.Current.Cache
Dec 12, 2010I want to be able to maintain certain objects between application restarts.
To do that, I want to write specific cached items out to disk in Global.asax Application_End() function and re-load them back on Application_Start().
I currently have a cache helper class, which uses the following method to return the cached value:
return HttpContext.Current.Cache[key];
Problem: during Application_End(), HttpContext.Current is null since there is no web request (it's an automated cleanup procedure) - therefore, I cannot access .Cache[] to retrieve any of the items to save to disk.
Question: how can I access the cache items during Application_End()?
C# - Web Application Cache Versus Database Cache
Jan 14, 2010Im building a image gallery which reads file from disk, create thumbnails on the fly and present them to the user. This works good, except the processing takes a bit time.
I then decided to cache the processed images using the ASP .NET Application Cache. When a image is processed I add the byte[] stream to the cache. As far as I know this is beeing saved into the system memory. And this is working perfect, the loading of the page is much faster.
My question is if there are thousands of images which gets cached in the Application Cache, will that affect the server performance in any way?
Sql - Cache And Output Cache For Controls?
Oct 28, 2010You know I have the way to Cache the data I've got from the SQL Server over data caching. In addition I can output cache web user controls.Whats about a web user control contains data from a SQL database? Does it make sense to cache the data and also cache the control?What is the best solution for the combination of these two components?
View 1 RepliesCustom Server Controls :: How To Programmatically Cache A Server Control And Add A Cache Dependency?
Feb 11, 2011I have a server control that I developed which generates navigation based on a third party CMS API. Currently I am caching this control using the PartialCaching attribute. The CMS uses cache key dependencies to invalidate the cache when a user makes an edit, however in the case of my server control it does not get invalidated and the updated navigation will not show up until the cache expiration set by the PartialCaching attribute.Here is my two part question:
What is the proper way to programmatically cache a server control, without using the PartialCaching attribute, and adding a cache key dependency?
Is it possible to continue to use the PartialCaching attribute and add a cache key dependency?
Web Forms :: Cache "OutputCache" - Exclude The "login/register" Control From The Cache?
Nov 10, 2010I'm using the OutputCache for my pages, and I have a dynamic user control (login/register) . When the user try to sign in, the the control do not change the aspect because I´m using OutputCache. How can I exclude the "login/register" control from the cache?
View 6 RepliesC# - HttpRuntime.Cache.Remove Doesn't Remove Cache
Nov 19, 2010I am trying to remove the cache using the HttpRuntime.Cache.Remove(key) but invain. I wonder what are the best practices for using HttpRuntime.Cache.
View 2 RepliesHow To Add Users In IIS Manager For 4.0 Application
May 30, 2010I have installed an ASP.NET 4.0 Web forms application in IIS 7.5. If I set the application pool to DefaultAppPool (.NET Framework 2.0) I get the icons for Providers, .NET-Roles and .NET-Users displayed on the configuration page for the application in IIS Manager and I can manage users and roles within IIS. (I'm using Forms authentication.)
But if I set the application pool to ASP.NET v4.0 I get a problem: Double clicking on the icons for Users or Roles in IIS Manager throws an error telling me that I cannot use these features since the providers could not be determined as trusted. If I set in administration.config in the trustedProviders section allowUntrustedProviders="true" and double click again on one of the icons I get the error that the assembly System.Web, Version 4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a could not be found. If I restart IIS Manager the icons disappear completely.
.NET Framework 4.0 is definitely installed. So this is all quite confusing. I know that .NET 4 uses another GAC than the old one for .NET 2-3. Could it be possible that IIS Manager is not able to find the new GAC for .NET 4? Do I have to add perhaps some of the new 4.0 assemblies to administration.config? Is there another way to add users and roles instead of IIS?
Trying To Access Files From IIS Manager?
Jan 31, 2011I am having the following problem when trying to access files from IIS Manager: There was an error while performing this operation.
Details:
Filename:
?C:Windowssystem32inetsrvconfigapplicationHost.config
Line number:190 Error:Can not log on
locally to C:SystemNameSite1 as user
c-cc with virtual directory password
Library Package Manager Does Not Appear
Mar 19, 2011I installed ASP MVC 3, but when I go to tools I can't see the Library Package Manager, it was supposed to install along ASP MVC 3, how come I cannot see it?
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Apr 4, 2010I would like to create resource manager on my page and use some data stored in my resource files. (default.aspx.resx and default.aspx.en.resx)
System.Resources.ResourceManager myResourceManager = System.Resources.ResourceManager.CreateFileBasedResourceManager("resource",
Server.MapPath("App_LocalResources") + Path.DirectorySeparatorChar, null);
if (User.Identity.IsAuthenticated)
{
Welcome.Text = myResourceManager.GetString("LoggedInWelcomeText");
[code]...
AJAX :: Script Manager Not Available In 2.0
Feb 13, 2010i have to use ajax update panel.and for using this i have to add script manager which is not available in asp.net 2.0.
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Apr 10, 2010Recently i was asked
(1) "How will you do performance optimization over your jQuery in ASP.net ?"
(2) "How many script manager can we have in ASP.net Application?" why? (Ajax related).
C# - Updatepanel Needs Script Manager?
Dec 3, 2010I have two update panels in one panel some controls and one ajax CalendarExtender and ToolkitScriptManager1
in anthor panel some radio buttons when i run the application that time getting exception The control with ID 'UpdatePanel requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it added script manager also but i am getting same exception what is the problem.
Asp.net - Use EnableCdn With Script Manager?
Nov 10, 2010You can see in the source of this site that some asp.net script files are being served from the microsoft cdn,while a couple others are not: http://www.deadlywind.com .It appears that the Microsoft Ajax javascript files are still being served up by my server and not the CDN, via the scriptresource.axd references found in the source of the above mentioned website. My question is, why are these not using the CDN and how should I force them to?
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