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Show / Hide Table of Contents
  • Programmer's Guide
  • Client Side API Programming
    • Setting Up Development Environment
    • Basic Cache Operations
      • Initialize Cache
      • Add Data to Cache
      • Update Data in Cache
      • Fetch Data From Cache
      • Remove Data From Cache
      • Dispose Cache
    • Bulk Operations
      • Adding Collection to Cache
      • Updating Collection in Cache
      • Retrieving Collection from Cache
      • Removing Collection from Cache
      • Deleting Collection from Cache
    • Asynchronous Operations
      • Using Asynchronous Operations
      • Using Asynchronous Operations with Callback Methods
    • Groups and Subgroups
      • Adding/Updating Data Group in Cache
      • Retrieving Data Group from Cache
      • Removing Data Group from Cache
    • Tagging Data in NCache
      • Creating Tags
      • Adding Items with Tags
      • Retrieving Previously Tagged Data
      • Removing Tagged Items from Cache
    • Named Tags
    • Data Expiration Strategies
      • Using Absolute Expiration
      • Using Sliding Expiration
    • Cache Dependencies
      • Key Dependency
      • File Dependency
      • Notification based Dependencies
        • Database Dependency using SQL Server
        • Database Dependency using Oracle
      • Polling Based Dependency
      • Custom Data Source Dependency
      • Multiple Cache Sync Dependency
      • Aggregate Dependency
      • Add Dependency to Existing Item
      • Using CLR Procedures to Call NCache
    • Locking Data in NCache
      • Locking Items in Cache (Pessimistic Locking)
      • Locking Items with Cache Item Versioning (Optimistic Locking)
    • SQL Reference for NCache
      • SQL Syntax
      • Querying Samples for Operators
      • Querying Data in NCache
      • NCache Language Integrated Query (LINQ)
        • Using LINQ in NCache
        • Configuring LINQPad for NCache
        • Querying NCache Data in LINQPad
    • Event Notifications
      • Cache Level Event Notifications
      • Item Level Event Notifications
      • Custom Event Notifications
    • Publish/Subscribe (Pub/Sub) in NCache
      • Pub/Sub Topics
      • Managing Topics
      • Pub/Sub Messages
        • Message Behavior and Properties
        • Creating a Message
      • Publish Messages to Topic
      • Subscribe for Topic Messages
      • Monitoring Pub/Sub Topics
    • Continuous Query
    • Using Streams in NCache
      • Opening with Stream Modes
      • Adding and Updating Data with Streams
      • Retrieving Data from Streams
      • Closing a Stream
    • Security and Encryption
      • NCache Security
      • NCache Data Encryption
    • Data Compression
    • NCache Management API
  • Server Side API Programming
    • Cache Startup Loader
      • Components of Cache Startup Loader
      • Sample Implementation of ICacheLoader on Single Node
      • Sample Implementation of ICacheLoader with Distribution Hints
    • Data Source Providers (Backing Source)
      • Read-Through Caching
        • Configure Read-Through Provider
        • Using Read-Through with Cache Operations
      • Write-Through Caching
        • Configuring Write-Through Provider
        • Using Write-Through with Basic Operations
        • Using Write-Behind with Basic Operations
        • Using Write-Behind with Bulk Operations
        • Using Write-Behind with Async Operations
        • Monitor Write-Through Counters
    • Custom Dependency
      • Sample Implementation of Custom Dependency
      • Sample Usage of Custom Dependency
    • WAN Replication through Bridge
      • Bridge Configurations
      • Implementing Bridge Conflict Resolver
    • Entry Processor
      • Sample Implementation of IEntryProcessor Interface
      • Sample Usage of EntryProcessor
    • MapReduce
      • Sample Implementation of MapReduce Interfaces
      • Sample Usage of MapReduce
    • Aggregator
      • Sample Implementation of IValueExtractor Interface
      • Sample Implementation of IAggregator Interface
      • Sample Usage of Aggregator
    • Dynamic Compact Serialization
  • Client Side ASP.NET Features
    • ASP.NET
      • ASP.NET Session State Provider for NCache
      • Multi-Region ASP.NET Session State Provider for NCache
    • ASP.NET Core
      • Session Storage in ASP.NET Core
        • Configure NCache ASP.NET Core Session Provider
        • Configure ASP.NET Core Sessions with NCache IDistributedCache Provider
      • Multi-Region ASP.NET Core Session Provider for NCache
      • Object Caching in ASP.NET Core
    • ASP.NET SignalR
      • Using NCache Extension for SignalR
    • View State Caching
      • Configuring and Using Content Optimization
      • Group View State with Sessions
      • Limit View State Caching
      • Perform Page Level Grouping for View State
    • ASP.NET Output Cache
      • Configure ASP.NET Output Caching
      • Using ASP.NET Output Cache with Custom Hooks
  • Client Side Third Party Integrations
    • Migrating AppFabric to NCache
      • AppFabric API vs. NCache API
    • NHibernate
      • NCache as NHibernate Second Level Cache
      • Using NHibernate Query Caching
      • Configuring Database Synchronization with NHibernate
    • Entity Framework Caching Integration
      • NCache as Entity Framework Second Level Cache
      • Entity Framework Caching Config File
    • Entity Framework Core Caching
      • Installing NCache Entity Framework Core Provider
      • Configuring NCache Entity Framework Core Provider
      • Using NCache Entity Framework Core Provider
        • Caching Options for EF Core Provider
        • LINQ APIs for EF Core Provider
        • Cache Only APIs for EF Core Provider
        • Query Deferred APIs for EF Core Provider
      • Logging in NCache Entity Framework Core Provider
    • Memcached
      • NCache Memcached Gateway Approach
      • Memcached Client Plugin for .NET
    • Debug NCache Providers in Visual Studio
    • NCache for Visual Studio Extension

Configuring and Using NCache Content Optimization

Configure View State Content Optimization

The following steps need to be performed in order to use content optimization feature of NCache with View State:

Step 1: Configure App_Browser File

  • Create an App_browser file in the ASP.NET application. It will be created under the directory of App_browsers.

  • Now plug page adapters in the app_browser file as following:

<browsers>
<!-- NCache Plug page adapters in the app browser file as following:. -->
   <browser refID="Default">
     <controlAdapters>
       <adapter controlType="System.Web.UI.Page"
       adapterType="Alachisoft.NCache.Adapters.PageAdapter">
     </controlAdapters>
   </browser>
</browsers>

Step 2: Configure Web.config File

Add the assembly reference for Alachisoft.NCache.Adapters (located in %NCHOME%\integrations\ContentOptimization) in <compilation> section of Web.config:

Enterprise Edition:

<compilation defaultLanguage="c#" debug="true" targetFramework= "4.0">
        <assemblies>
        <add assembly="Alachisoft.NCache.Adapters, Version=x.x.0.0, Culture=neutral, PublicKeyToken=CFF5926ED6A53769">
        </assemblies>
</compilation>

Community and Open Source Editions:

<compilation defaultLanguage="c#" debug="true" targetFramework= "4.0">
        <assemblies>
          <add assembly="Alachisoft.NCache.Adapters, Version=x.x.x.x, Culture=neutral, PublicKeyToken=1448e8d1123e9096">
        </assemblies>
</compilation>
Note

Replace Version=x.x.x.x with the actual NCache version that you have installed. For example, Version=4.9.0.0.

  • Register the configuration section for View State in Web.config of your application:
<configSections>
    <sectionGroup name="ncContentOptimization">

      <section name= "settings"
               type="Alachisoft.NCache.ContentOptimization.Configurations.ContentSettings"
               allowLocation="true"
               allowDefinition= "Everywhere">
    </sectionGroup>
</configSections> 
  • Specify the settings for the registered config section:
<ncContentOptimization>
   <settings enableViewstateCaching="true"
            viewstateThreshold="1"
            cacheUriMapping="true"
            enableTrace="false" >

      <cacheSettings cacheName="demoClusteredCache" connectionRetryInterval="300">
            <expiration type="Absolute" duration="1" >
      </cacheSettings>

   </settings>
</ncContentOptimization>

Configuration Members

Member Description
enableViewstateCaching Boolean value to enable /disable the View State caching.
viewstateThreshold Sets the minimum threshold size of viewstate in bytes. Viewstates which are smaller than threshold value will not be cached.
cacheUriMapping Cache URL mapping, Default is true.
enableTrace Enable/disable traces.
cacheName Name of the Cache.
connectionRetyInterval Retry Connection to Cache interval. Default is 300 seconds.
Expiration Sets the expiration type which can either be Sliding, Absolute or None. And also expiration interval in minutes.
Duration Sets expiration interval in minutes.

Fetch View State Data

If the same cache is being used for View State caching and other data, View State data can be retrieved by NC_ASP.net_viewstate_data tag. With this tag it is easy to find the data specific to View State.

Hashtable allViewStateData = cache.GetByTag(new Alachisoft.NCache.Runtime.Caching.Tag("NC_ASP.net_viewstate_data"));

The viewstate of a particular session can easily be retrieved from cache based on sessionId.

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