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Pro ASP.NET 4 CMS - Advanced Techniques for C# Developers Using the .NET 4 Framework

Pro ASP.NET 4 CMS - Advanced Techniques for C# Developers Using the .NET 4 Framework

of: Alan Harris

Apress, 2010

ISBN: 9781430227137 , 320 Pages

Format: PDF, Read online

Copy protection: DRM

Windows PC,Mac OSX Apple iPad, Android Tablet PC's Read Online for: Windows PC,Mac OSX,Linux

Price: 36,99 EUR



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Pro ASP.NET 4 CMS - Advanced Techniques for C# Developers Using the .NET 4 Framework


 

Title Page

1

Copyright Page

2

Contents at a Glance

4

Table of Contents

5

About the Author

12

About the Technical Reviewer

13

Acknowledgments

14

Introduction

15

About This Book

15

What You Need to Use This Book

16

Code Samples

16

Feedback

16

CHAPTER 1 Visual Studio 2010 and .NET 4

17

Who This Book Is For

17

Who This Book Is Not For (or “Buy Me Now, Read Me Later”)

18

What’s New in .NET 4

18

C# Optional and Named Parameters

19

C#’s dynamic Keyword

21

Dynamic and Functional Language Support

26

Parallel Processing

26

Parallel LINQ (PLINQ)

27

Task Parallel Library (TPL)

27

Axum

28

Managed Extensibility Framework (MEF)

29

Distributed Caching with Velocity

29

ASP.NET MVC

32

A Tour of Visual Studio 2010

34

Windows Presentation Foundation

34

Historical Debugging

35

Improved JavaScript IntelliSense

37

jQuery Support

38

Building a CMS

40

CMS Functional Requirements

40

Creating the Application Framework

41

Summary

44

CHAPTER 2 CMS Architecture and Development

45

Motivations for Building a CMS

45

Motivations for Using .NET

46

Application Architecture

46

The CMS Application Tiers

48

CommonLibrary: The Data Transfer Objects

49

GlobalModule: The HttpModule

51

Components of a CMS Page

53

Buckets

53

Embeddable Objects

55

Embeddable Permissions

57

Handling CMS Content

59

The Content Table

59

The ContentVersion Table

60

Assembling Content on Demand

60

How Embeddable Objects Handle Versions

62

Summary

62

CHAPTER 3 Parallelization

63

What Is Parallelization?

63

Good Parallelization Candidates

63

Differences from Multithreading

64

Parallel Pitfalls

64

Deadlocks

64

Race Conditions

67

Thread Starvation

70

Amdahl’s Law

71

.NET 4 Parallelization Concepts

72

Task vs. Data Parallelism

72

Task Parallel Library

72

Task.Wait()

73

Parallel.For() and Parallel.ForEach()

75

Parallel LINQ (aka PLINQ)

75

.AsParallel()

76

CMS Parallelization Opportunities

77

Creating a Data Mining Embeddable

78

Expanding the Data Mining Tasks

82

Tagging

86

Tagging on the Client

89

Fleshing Out the Tagging Embeddable

91

What’s in a Name?

92

Handling Tag Input

95

Tag Processing in the Business Tier

98

POST Problems

103

Finalizing Tag Storage

105

Content Tags

112

Summary

118

CHAPTER 4 Managed Extensibility Framework and the Dynamic Language Runtime

119

Managed Extensibility Framework

119

The Manual Way

119

The MEF Way

121

Working from Usage to Implementation

122

Exposing Libraries via MEF

122

A Simple Plug-in Contract

123

Implementing the Plug-In

123

Using the Plug-In

124

Catalogs and Containers

128

Supporting Multiple Parts

129

Dynamic Language Runtime

133

The dynamic Keyword

134

Benefits of the dynamic Keyword

135

CMS Plug-Ins

136

IEmbeddable

137

Server Controls as Embeddables

138

Displaying Embeddables

140

PageAssembler

141

Additional Methodology Benefits

144

Missing DLLs

144

Exceptions in Embeddables

145

A More Complex Emeddable

146

Breadcrumbs

146

Navigating the CMS Tree

147

Summary

149

CHAPTER 5 jQuery and Ajax in the Presentation Tier

150

An Introduction to jQuery

150

The $() Factory

151

Implicit Iteration

153

Ajax via jQuery

154

Caching and Ajax

155

Avoiding Caching on GET Requests

156

Lightweight Content Delivery with Ajax and HTTP Handlers

157

Handling Asynchronous Errors

162

Handling DOM Modifications

165

Improving the CMS Admin with jQuery

169

Creating Collapsible Panels

171

Expanding with jQuery

173

Displaying the JavaScript Disabled Message

175

Poka-Yoke Devices

176

Summary

179

CHAPTER 6 Distributed Caching via Memcached

180

What Is a Distributed Cache, and Why Is it Important?

180

Memcached

181

Acquiring a Memcached Client Library

182

Getting Started with Memcached

183

Using the Client Libraries Directly

186

Writing a Memcached Library

188

Testing the Library

191

Deleting Objects from the Cache

193

Complex Object Types

193

Protocol Considerations

196

Memcached Internals and Monitoring

198

Building a Cache-Friendly Site Tree

200

Visualizing the Tree

201

Defining a Node

201

Defining the Tree

202

Finding Nodes

203

Inserting Nodes

205

Serializing/Deserializing the Tree for Memcached Storage

206

Memcached Configuration Considerations

209

Summary

211

CHAPTER 7 Scripting via IronPython

212

How Does the CMS Benefit from Scripting Capabilities?

212

Easier Debugging

212

Rapid Prototyping

213

An Introduction to IronPython and Its Syntax

213

What Is IronPython?

213

Installing IronPython

214

The IronPython Type System

215

Creating Classes and Controlling Scope

218

Constructors as Magic Methods

221

self

222

Exception Handling

226

Conditional Logic, Iterators, and Collections

229

Accessors and Mutators

231

Assembly Compilation

232

Compiling IronPython Code to a DLL

233

Compiling IronPython Code to an Executable

234

Building Scripting Capabilities into the CMS

235

Handling Script Files Between Tiers

238

Calling Scripts for a CMS Page

239

A Simple Scripting Example

241

Summary

243

CHAPTER 8 Performance Tuning, Configuration, and Debugging

244

The CMS Definition of Performance

244

Latency

244

Throughput

245

Establishing Baselines

245

Component vs. System Baselines

245

The Web Capacity Analysis Tool

246

Installing WCAT

246

WCAT Concepts

246

Configurations

247

Scenarios

248

Running a WCAT Test Against the CMS

250

Interpreting Performance Results

251

Improving CMS Performance with Caching

252

HTTP.sys and the OutputCache

252

Benchmarking CMS Performance

253

Configuration Considerations

254

Enable Release Mode for Production

254

Removing the Server, X-Powered-By, and X-AspNet-VersionHeaders

256

Debugging Concepts

259

White-Box vs. Black-Box Debuggers

259

User Mode vs. Kernel Mode

260

Historical Debugging via IntelliTrace

261

Collaborative Debugging

265

Importing and Exporting Breakpoints

265

DataTip Pinning and Annotation

268

Summary

271

CHAPTER 9 Search Engine Optimization and Accessibility

272

An Introduction to Search Engine Optimization

272

Science or Dark Art?

273

General Guidelines

273

Establishing Clear Markup

274

HTML Metadata the .NET 4 Way

275

Graceful JavaScript Degradation

276

Providing alt Text for Images

278

Color Scheme Sensitivity

278

Friendly URLs

280

Data Requirements for Friendly URLs

280

Stored Procedures for Friendly URLs

283

Exploiting the Page Life Cycle

284

Request Exclusion

286

Retrieving Friendly URLs

288

Retrieving Alias URLs and Response.RedirectPermanent()

294

Summary

298

Index

299