Page.Cache Property

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Getting Started

Getting Started
ASP.NET Primer

Authoring an ASP.NET Page
Introducing ASP.NET Web Forms
Introducing Web Forms Server Controls
Publishing ASP.NET Files

ASP.NET Syntax

ASP.NET Page Syntax

Code Declaration Blocks
Code Render Blocks
Custom Server Control Syntax
Data Binding Expression Syntax
Page Directives Syntax
Server-Side Comments
Server Control Inline Template Syntax
Server-Side Include Directive Syntax
Server-Side Object Tag Syntax

ASP.NET Syntax for HTML Controls

HtmlAnchor
HtmlButton
HtmlForm
HtmlGenericControl
HtmlImage
HtmlInputButton
HtmlInputCheckBox
HtmlInputFile
HtmlInputHidden
HtmlInputImage
HtmlInputRadioButton
HtmlInputText
HtmlSelect
HtmlTable
HtmlTextArea

ASP.NET Syntax for Web Server Controls
ASP.NET Syntax for Validation Controls
ASP.NET Configuration Sections
Global.asax Syntax

ASP.NET Programming Languages Primer

Statements
Comments
Variable Declarations and Initialization
Arrays
Controlling Program Flow
If Statements
The Conditional ? : Operator
Switch Statements
For Loops
While Loops
Foreach Loops
Reusable Statements

ASP.NET Base Types

Converting Types

Base Data Types Table
Type Conversion Tables

Formatting Base Types
Format Specifiers and Providers

Date and Time Format Strings
Numeric Format Strings
Enumeration Format Strings
Customizing Format Strings

Parsing Strings

Parsing Numeric Strings
Parsing Date and Time Strings
Parsing Other Strings

Basic String Operations

Creating New Strings
Trimming and Removing Characters
Padding Strings
Comparing Strings
Changing Case
Using The StringBuilder Class

Regular Expressions

Regular Expressions as a Language
Details of Regular Expression Behavior

Matching Behavior
Backreferences
Backtracking
Nonbacktracking Lookahead and Lookbehind
Quantifiers and Empty Matches
Next Match After an Empty Match
Compilation and Reuse
Thread Safety

Regular Expression Examples

Example: Changing Date Formats
Example: Extracting navigateurl Information
Example: Scanning for HREFs

Web Forms

ASP.NET Web Forms
ASP.NET Web Forms Overview
Web Forms Server Controls

Web Forms Server Controls overview
Controls You Can Use on Web Forms

ASP.NET Data Controls
ASP.NET Data Source Controls
ASP.NET HTML WebControls
ASP.NET Login Controls
ASP.NET Navigation Controls
ASP.NET Standard Controls

Web Forms Server Controls Templates
Web Forms Server Controls and CSS Styles
Web Forms Validation
Web Forms User Controls
Programming Web Forms Server Controls

Data Binding in Web Forms

Introduction to Data Binding in Web Forms
Data Binding Expressions for Web Forms Pages
Data Binding HTML Server Controls

ASP.NET Master Pages

Introduction to Master Pages
Nested Master Pages
Working with Master Pages Programmatically
Referencing Master Page Content
Events in Master and Content Pages

Programming Web Forms

Web Forms Page Processing Stages
Web Forms Events and Handlers
Web Forms State Management

Data Access

Data Access in Web Forms
Web Forms Data Model
ADO.NET Primer

ADO.NET Data Providers
Setting up ASP.NET Pages for Data Access
Core ADO.NET Classes

Data Source Controls Overview

Introduction to Data Source Controls
Binding to Data Using a Data Source Control
Filtering Data Using Data Source Controls
Using Parameters with Data Source Controls
Modifying Data Using Data Source Controls
Sorting Data with Data Source Controls
Caching Data Using Data Source Controls

Connecting to a Database

Securing Connection Strings
Issuing Commands to a Database
Retrieving Data Using a DataReader
Retrieving Data Using a DataSet
Retrieving XML Data Using a DataSet
Calling Data Functions in Code Behind

Displaying Information From a Database

Displaying Data in a Repeater
Displaying Data in a DataList
Displaying Data in a DataGrid
Displaying Data in a GridView

Selecting Information From a Database

Retrieving Data From User Specified Queries
Passing Variables to the Select Query
Retrieving Data From Database Schema

Updating Data at the Database Level

Adding a new record
Editing an existing record
Deleting an existing record

Understanding and Using Views

Creating a view
Extending the Functionality of Views
Sample Applications Using Views
Comparison of Queries and Views

Structured Query Language (SQL) Basics

Introduction to Queries
SQL Basic Concepts
SQL Select: Specifying Data to be Included in a Query
SQL Where: Specifying a Filter Condition
SQL Join On: Selecting Data From More Than One Table
SQL Group By: Grouping Data in Qquery Results
SQL Order By: Sorting Data in Query Results
Using SQL Aggregate Functions
Optimizing Queries

Web Apps

ASP.NET Applications
ASP.NET Applications Overview

ASP.NET State Management

Application State
Session State

ASP.NET Optimization

ASP.NET Caching Features

Caching ASP.NET Pages

Caching Multiple Versions of a Page

Caching Portions of an ASP.NET Page

Caching Multiple Versions of User Control Output

Caching Application Data

Adding Items to the Cache
Retrieving Values of Cached Items
Deleting Items from the Cache
Notifying an Application When an Item is Deleted from the Cache

Setting the Output Cache Location

ASP.NET Trace Functionality

Page-level Tracing

Writing to the Trace Log
Displaying Trace Messages on the Page

Application-level Tracing

Enabling Application-level Tracing
Viewing Application-level Trace Information

Reading the Trace Log

Developing High-Performance ASP.NET Applications

Monitoring ASP.NET Application Performance
Performance Counters for ASP.NET

ASP.NET Configuration

Format of ASP.NET Configuration Files

ASP.NET Configuration Sections

Hierarchical Configuration Architecture

Configuration Inheritance
Limiting Inheritance with Settings
Locking Configuration Settings

Accessing Configuration Settings
Creating New Configuration Sections

ASP.NET Web Application Security

How ASP.NET Security Works
ASP.NET Architecture
ASP.NET Data Flow
ASP.NET Authentication

The WindowsAuthenticationModule Provider
The Passport Authentication Provider
The Forms Authentication Provider

The Forms Authentication Module
Forms Authentication Control Flow
Creating a Forms Authentication Ticket
Forms Authentication Credentials
Forms Authentication Utilities
Handling FormsAuthentication Events

ASP.NET Authorization
ASP.NET Impersonation
Designing Secure ASP.NET Applications

Using IIS Authentication With ASP.NET Impersonation
Simple Forms Authentication
Forms Authentication Using An XML Users File

ASP.NET Globalization and Localization

Globalization and Localization Primer
ASP.NET Web Page Resources
Using Resources in ASP.NET Web Pages
Setting the Culture for ASP.NET Pages

Web Basics

Abakada: Back to Basics
Authoring Your Web Pages

Web Authoring Basics
Understanding HTML
Using Style Sheets
HTML Elements
Anchors and Links
Using Tables
Frames and Framesets
Using Forms

Dynamic HTML

DHTML Overview
CSS Visual Effects

Using CSS Animations
Using CSS Filters
Using CSS Transforms
Using CSS Transitions

Understanding Events
Handling Events
Dynamic Styles
Dynamic Content
Dynamic Positioning
Working with Windows and Frames

Basic Scripting

JavaScript Overview
JavaScript Components
JavaScript Basics

Assignment Operators
Comparison Operators
Arithmetic Operators
Bitwise Operators
Logical Operators
String Operators
Special Operators

Programmimg With JavaScript
Data Entry Validation

Check if all form fields are filled out
Checking for alphabet entries only
Checking for numeric entries only
Checking for a valid range of values
Rounding a number to n decimals
Checking for valid date input

Language References

HTML Elements Reference
HTML Element Attributes
CSS Properties Reference
DHTML Events Reference

Show Me

Saturday, April 26, 2025

System.Web.UI Namespace Page Class

Returns the Cache object associated with the application in which the page resides.

Script	[ Cache variable = ] Page.Cache

variable	Returns the Cache object associated with the page's application.

The property is read only with no default value.

Exception Type	Condition
HttpException	Thrown if the Cache is not instantiated.

An application's Cache object allows you to store and retrieve arbitrary data on subsequent requests . The cache is not specifically associated with a page or user session. It is used primarily to enhance application performance. For more information, see Caching Application Data.

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