Visual Studio 2005

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Visual Studio 2005

• VS 2005

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What VS 2005 Is

• .Net development environment for distributed and
  dynamic Web applications.
• Distributed applications are composed of
  disparate resources in multiple locations the
  database might be in New York, the inventory
  control software in Los Angeles, and the data
  entry software in Miami.
• Dynamic applications enable the user interact
  with the Web.
• Supports any .Net-compliant language
• Does not require IIS for debugging
• File System
• HTTP
• FTP

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Creating a Web Site in VS2005
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ASP.Net in a Multi-tier Environment
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ASP.Net in a Multi-tier Environment(cont.)

• The work done by any application program can be
  divided into three general functions
• data storage data access logic (DATA SERVICEs)
• application logic (BUSINESS SERVICEs)
• presentation logic (USER SERVICEs)

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The .Net Class Library

• The .Net class library contains classes for
  building ASP.Net applications (pages).

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ASP.Net Pages and Web Forms

• An ASP.Net Web page includes HTML and program
  code.
• ASP.Net Web Forms can be arranged in two files by
  VS2005- default.aspx contains the actual HTML
  and layout- default.aspx.vb contains the
  majority of the pages code

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Namespaces

• A namespace is a hierarchical way to identify
  resources in .Net. It is a system to describe
  where objects are stored.House.FirstFloor.Dining
  Room.ChinaCabinet
• The examples
• Imports System.Net.Mail
• Imports System.Data
• Imports System.Data.SqlCient

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Sending Email via ASP.Net 2.0

• First provide a namespace to the classes in the
  top of your class module as followsImports
  System.Net.Mail
• Then Create the message bodyDim Mail as New
  MailMessage(From, To, Subject, Body)
• Specify the mail serverdim ms as new
  SmtpClient(smtp.students.niu.edu)
• Send the Mailms.Send(Mail)

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Object Class

• Object class is a conceptual representation of
  the properties and methods of an object.
• Object.Property
• Object.Method
• WebForm controls appear as objects to your code
  (have properties and methods)
• Standard Controls
• Navigation Controls
• Data Controls
• Validation Controls
• Login Controls

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The ASP.Net Advantages

• ASP.Net is compiled, not interpreted.
• Real programming languages
• Event-based programming model
• Separate Code from Content
• Real Debugging
• Server Controls/User controls
• Support Web services

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General Guidelines For Site Design

• Separate presentation from the business logic and
  the supporting data
• Strive for a consistence look and feel throughout
  the site
• Make the site as easy to navigate as possible

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Creating a Consistent Layout

• Master Pages define page layout from a single
  location
• Separate page design from application logic
• Allow site layout to be updated easily
• Does not manage control appearance
• Simple Process
• Add a Master page to the web site
• Define the layout in the Master page
• Create content pages based on the Master page

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Navigation Controls in ASP.Net

• A set of tools driven by a description of the
  sites structure in XML (by default, kept in
  Web.sitemap file)
• Menu
• SiteMapPath
• TreeView
• Auto-generate hyperlinks and formatting

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XML

• XML stands for eXensible Markup Language
• XML is a language defined by the World Wide
  Consortium (W3C at www.w3c.org)
• W3C sets the standards for the Web
• HTML is the most popular, but is very limited.
• XML lets you create your own markup language!

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HTML Code

• lthtmlgtltbodygtltpgtltbgtFlat 10Cltbrgt998, Falling
  Cherry LaneltbrgtRonaldsayltbrgtSE2
  8KMltbrgtlt/bgtUKlt/pgtlt/bodygtlt/htmlgt

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XML Code

• lt?xml version1.0 ?gt
• ltShippingForecastgtltSeaState valueFlat
  /gtltTemperaturegt10C lt/Temperaturegt
  ltmBarPressuregt998, Falling lt/mBarPressuregt
  ltWeatherStation LocationCherry Lanegt
  ltSupervisorgtRonaldsaylt/Supervisorgt lt/WeatherStati
  ongt
• ltWind directionSE beaufortForce2
  /gtltVisibility distance8KM /gtltJurisdiction
  countryUK /gt
• lt/ShippingForecastgt

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Why XML?

• Xml provides structure for your data.
• Xml is suitable for exchanging information on the
  Internet.
• People have different information needs, in
  different formats, at different times. In
  addition, many may platform issues to deal with.
  Xml is ideal for this type of situation. You can
  build solutions that exchange data inexpensively,
  anywhere, and anytime.

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XML Rules

• The document must have exactly one top-level
  element (or root element). All other elements
  must be nested within it.
• Elements must be properly nested.
• Each element must have a start-tag and an
  end-tag.
• The element-type name in a start-tag must be
  exactly match the name in the corresponding
  end-tag.
• Element-type names are case-sensitive.
• Quoted strings can use either single or double
  quotes.

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Web.sitemap

• ltsiteMapgt encloses all other tags
• ltsiteMapNodegt an entry in the menu navigation
  can contain multiple siteMapNodes
• ltsiteMapNodegt attributes
• Title the short name of the page displayed in
  the menu
• Description the long name of the page used in
  the ToolTips
• url the path of the page can not duplicate

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Creating Web Applications with Visual Studio 2005

• Lab1