Beginning Ajax With ASP.NET (2006).pdf

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Who’s Using Ajax? Introduction to Ajax on ASP.NET Great, now that you have seen that there is this technology called Ajax, are you alone in not having seen or talked about this before? Absolutely not! Ajax has just recently taken off in the second half of 2005 from a mindshare standpoint. As discussions have gone on with counterparts in the development community, many developers are just now looking to what Ajax can do for their applications and ultimately their customers. So, just who is using Ajax publicly? ❑ ❑ ❑ ❑ ❑ ❑ ❑ Google Suggest — Google Suggest features a dynamic drop-down list box that provides possible items to search on along with the approximate number of search results. Google Maps — The ability to grab a map and zoom around without requiring a postback is just amazing. This app/service took the development world by storm when it came out. Google GMail — Google GMail is a web-based email system available through Google. Microsoft Hotmail Kahuna update — At the time of this writing, the Hotmail upgrade that is referred to as Kahuna is in beta test. As a beta user of the application, I can testify to the improved user interface and responsiveness that this application provides. Live.com — The local.live.com service from Microsoft is actively using the Atlas framework, as is nearly the entire Live.com service. Easy Search component — The ASP.NET Easy Search Component provides support for searching a single web site similar to the Google Suggest service available through Google. Other component vendors — Component vendors such as ComponentArt, Dart, and others are providing controls that provide a rich user experience without forcing a full postback. In addition to third-party interest, the amount of developer interest is tremendous. For example, one only has to put the word Ajax into a blog title to receive an increase in the number of web views. Given the amount of third-party support and the interest of developers, it is only a matter of time before everyone is using it. Problems Ajax Won’t Solve Ajax is a great technology with a lot of help for typical application problems and a lot of general promise. It will help in areas like network load and user context by sending only the necessary data, creating less network traffic when processing a command. The user is not redirected to the top of a page when a command is sent the server. The problem is that to successfully run Ajax, a user needs to have the transport mechanism and JavaScript support mentioned previously. That sounds like something that any modern browser has, so what’s the problem? Well, the problem is that many mobile browsers have support for neither. With many of Ajax solutions, you have limited or no downlevel support, so if you must support a mobile system, you may be limited to writing multiple versions of your application because Ajax may not be the right technology to include. 9
Chapter 1 Summary Ajax provides developers a foundation to build web-based applications that provide an improved user experience. In this introductory chapter, you have looked at: ❑ ❑ ❑ ❑ ❑ Development from a historical perspective Web development methodologies Some of the features that Ajax provides, such as improved user responsiveness and decreased load on the web server Multiple technologies that can improve the user experience Ajax, the problems that it solves, and who is using it In the next chapter, you are going to examine Dynamic HTML (DHTML). Additional chapters will look at the other technologies that make up Ajax. After that you will examine the Ajax.NET library, Microsoft Atlas, and finally tips and tricks on debugging client-side applications. 10
Page 2: Beginning Ajax with ASP.NET Wallace
Page 6 and 7: Beginning Ajax with ASP.NET Wallace
Page 8 and 9: Executive Editor Bob Elliott Senior
Page 10 and 11: About the Authors Wallace B. “Wal
Page 12: Acknowledgments It is truly interes
Page 15 and 16: Contents Manipulating the Style She
Page 17 and 18: Contents Chapter 7: Ajax.NET Profes
Page 19 and 20: Contents Chapter 11: Atlas Controls
Page 22 and 23: Introduction Thank you for purchasi
Page 24 and 25: Tips, hints, tricks, and asides to
Page 26 and 27: 1 Introduction to Ajax on ASP.NET O
Page 28 and 29: Introduction to Ajax on ASP.NET Mic
Page 30 and 31: Introduction to Ajax on ASP.NET ❑
Page 32 and 33: Introduction to Ajax on ASP.NET ❑
Page 36 and 37: 2 Introduction to DHTML Dynamic HTM
Page 38 and 39: Writing Your First Block of JavaScr
Page 40 and 41: Introduction to DHTML document.writ
Page 42 and 43: Introduction to DHTML Figure 2-3 Ex
Page 44 and 45: Introduction to DHTML The return ke
Page 46 and 47: Introduction to DHTML var isArrowLe
Page 48 and 49: Using the innerHTML Property Introd
Page 50 and 51: To illustrate this behavior, the ne
Page 52: Introduction to DHTML Now that you
Page 55 and 56: Chapter 3 From Static to Dynamic
Page 57 and 58: Chapter 3 Within the section of th
Page 59 and 60: Chapter 3 Just a reminder of what w
Page 61 and 62: Chapter 3 /* */ Datatypes These are
Page 63 and 64: Chapter 3 Composite types are requi
Page 65 and 66: Chapter 3 These sets of operators a
Page 67 and 68: Chapter 3 var y = 0; do { y = y + 1
Page 69 and 70: Chapter 3 Figure 3-1 shows the resu
Page 71 and 72: Chapter 3 This allows you to assign
Page 73 and 74: Chapter 3 Because the constructor i
Page 75 and 76: Chapter 3 This produces the result
Page 77 and 78: Chapter 3 window navigator location
Page 79 and 80: Chapter 3 There are four levels of
Page 81 and 82: Chapter 3 var featuresLevel1 = [“
Page 83 and 84: Chapter 3 Take a look at a simple e
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Chapter 3 For this particular examp
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Chapter 3 The method getElementById
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Chapter 3 Cloning a Node This
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Chapter 3 Node Type Type Descriptio
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Chapter 3 Figure 3-7 Figure 3-8 68
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Chapter 3 The DOM, Styles, and CSS
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Chapter 3 Try It Out Modifying a St
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Chapter 3 which includes a script f
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4 The XMLHttpRequest Object The XML
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The XMLHttpRequest Object above, Op
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The XMLHttpRequest Object while the
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The XMLHttpRequest Object The secon
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Using the responseText Property The
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The XMLHttpRequest Object As you ca
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Next listed in the following code b
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The XMLHttpRequest Object } // Exec
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The XMLHttpRequest Object Property
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The XMLHttpRequest Object - Select
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The XMLHttpRequest Object In additi
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The XMLHttpRequest Object xmlHttpOb
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The XMLHttpRequest Object at System
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5 Data Communication: XML, XSLT, an
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1986 by ISO standard “ISO 8879:19
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Consider the following code sample
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Data Communication: XML, XSLT, and
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X Path Data Communication: XML, XSL
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6 What Is Built into ASP.NET ASP.NE
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What Is Built into ASP.NET
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What Is Built into ASP.NET
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What Is Built into ASP.NET ❑ ❑
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method. This method allows a develo
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What Is Built into ASP.NET Client/B
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What Is Built into ASP.NET Client/B
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What Is Built into ASP.NET // Get o
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What Is Built into ASP.NET using Sy
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What Is Built into ASP.NET Value S
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DataSet object with some data and s
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Dealing with the Returned Data on t
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What Is Built into ASP.NET // Add t
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What Is Built into ASP.NET } names.
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What Is Built into ASP.NET ❑ Para
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explicit server-side coding is requ
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Chapter 7 Acquiring Ajax.NET Pro Ve
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Chapter 7 The server-side code that
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Chapter 7 So, your entire server-si
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Chapter 7 What Is a Language Proxy?
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Chapter 7 Using strings will get yo
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Chapter 7 the name and street prope
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Chapter 7 Chapter7_ImageSwitcherCal
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Chapter 7 Checking for Null Values
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Chapter 7 The fourth script source
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8 Anatomy of Ajax.NET Pro Library T
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Anatomy of Ajax.NET Pro Library Fig
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Anatomy of Ajax.NET Pro Library Mas
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Line 25 creates the actual JavaScri
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Anatomy of Ajax.NET Pro Library 09.
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Anatomy of Ajax.NET Pro Library 19.
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Anatomy of Ajax.NET Pro Library 105
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What Is an Ajax.NET Pro Converter?
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9 Other Ajax Frameworks for .NET Aj
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Testing for Features Using the Sari
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Attaching an event to check for the
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The framework contains supporting c
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Other Ajax Frameworks for .NET lock
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Panels versus Custom Controls Once
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Other Ajax Frameworks for .NET cust
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Creating the Solution 1. Open Visua
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Other Ajax Frameworks for .NET Not
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Other Ajax Frameworks for .NET Swit
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Other Ajax Frameworks for .NET Figu
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Other Ajax Frameworks for .NET Imag
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Other Ajax Frameworks for .NET } }
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Other Ajax Frameworks for .NET feat
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Other Ajax Frameworks for .NET bord
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txtTitle_TextChanged event and will
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Other Ajax Frameworks for .NET Fina
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Other Ajax Frameworks for .NET
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Other Ajax Frameworks for .NET Fina
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Other Ajax Frameworks for .NET cont
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Other Ajax Frameworks for .NET The
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Other Ajax Frameworks for .NET back
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On the server side, ComfortASP.NET
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Chapter 10 ❑ Client-side componen
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Chapter 10 Now that you have heard
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Chapter 10 This code shows how an e
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Chapter 10 OnServerException Examin
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Chapter 10 } function ServerAddRetu
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Chapter 10 DataRow var strRowsInfo
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Chapter 10 { } return (objComplexCu
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Chapter 10 New Time:
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Chapter 10 function CallInternalWe
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Chapter 10 Number The Number class
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Chapter 10 The Sys.Data.DataColumn
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Chapter 10 The following is some co
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Chapter 10 NamespaceName.ClassName.
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Chapter 10 Inheritance Inheritance
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Chapter 10 Try It Out Implementing
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Chapter 10 Figure 10-14 Enumeration
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Chapter 10 Figure 10-16 282
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Chapter 10 Summary In this chapter,
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Chapter 11 var associatedElement =
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Chapter 11 Setting the EnablePartia
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Chapter 11 Just to show that there
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Chapter 11 How It Works In this exa
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Chapter 11 Now that you have seen t
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Chapter 11 Try It Out You will noti
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Chapter 11 listView.set_layoutTempl
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Chapter 11 Binding Directions As pr
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Chapter 11 3. The validationErrorLa
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Chapter 11 Regex Validation Exam
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Chapter 11
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Chapter 11 Hide Show
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12 Atlas Integration with ASP.NET S
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Atlas Integration with ASP.NET Serv
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❑ ❑ ScriptFolder — In this co
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Try It Out Retrieving Profile Prope
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❑ A special connectionString is u
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13 Debugging Debugging is the art o
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Debugging Figure 13-2 In either cas
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Using Alert Statements Starting wit
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Try It Out Client-Side Script Debug
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Debugging Figure 13-9 4. In the Scr
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Debugging Figure 13-12 Right-clicki
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So far, you have used F10 to advanc
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Debugging Debugger Keyword Test Pa
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Debugging Figure 13-16 Try It Out U
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Debugging The Command window will h
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Debugging Although this section of
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install the Venkman tool within Fir
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Debugging true); xmlHttpObj.open(
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Debugging TestFiddler.aspx.cs — C
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Debugging Figure 13-25 This is usef
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Debugging using System.Collections;
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Debugging Replace the text button%2
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A XSLT Commands This appendix provi
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XSLT Commands Element preserve-spac
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Boolean XSLT Commands The boolean f
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XSLT Commands Name adjust-dateTime-
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XSLT Commands Name Description subs
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Index
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AjaxPro.AjaxMethod() attribute Ajax
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attributes (continued) attributes (
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Command window Command window, 346-
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document-uri(node) function (XSLT)
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frameworks frameworks Ajax.NET Pro
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functions (XSLT) (continued) functi
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JavaScript (continued) JavaScript (
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libraries (continued) libraries (co
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methods (XSLT) (continued) methods
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Microsoft Atlas project (continued)
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port port 80, 103 port numbers in c
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server-side frameworks (continued)
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value-of element (XSLT) value-of el
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XSLT elements (continued) XSLT elem
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