Dot Net Framework

Overview ,[object Object],[object Object],[object Object],[object Object]

Overview of the Microsoft .NET Framework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The .NET Framework Win32 Common Language Runtime .NET Framework Class Library ADO.NET: Data and XML Web Services User Interface VB C++ C# ASP.NET Perl Python … Message Queuing COM+ (Transactions, Partitions, Object Pooling) IIS WMI

Common Language Runtime .NET Framework Class Library Support Class Loader Thread Support COM Marshaler Type Checker Exception Manager MSIL to Native Compilers Code Manager Garbage Collection Security Engine Debugger

The .NET Framework Class Library ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Benefits of Using the .NET Framework ,[object Object],[object Object],[object Object],[object Object],Windows API ASP .NET Framework 1980’s 1990’s 2000’s Visual Basic MFC/ATL

ADO.NET: Data and XML ,[object Object],OleDb SqlClient Common SQLTypes System.Data XSL Serialization XPath System.Xml

[object Object],Web Forms and Services System.Web Configuration SessionState Caching Security Services Description Discovery Protocols UI HtmlControls WebControls

The Process of Managed Execution Class Loader JIT Compiler with optional verification Execution Security Checks EXE/DLL (MSIL and metadata) Class Libraries (MSIL and metadata) Trusted, pre-JITed code only Call to an uncompiled method Runtime Engine Managed Native Code Compiler Source Code

Just-In-Time Compilation ,[object Object],[object Object],[object Object],[object Object]

Assemblies Assembly Manifest Multiple Managed Modules and Resource Files Are Compiled to Produce an Assembly Managed Module (MSIL and Metadata) Managed Module (MSIL and Metadata) Resource Files .html .gif

Creating a Simple .NET Framework Component ,[object Object],[object Object],[object Object],[object Object],[object Object]

Using Namespaces and Declaring the Class ,[object Object],[object Object],using System; namespace CompCS {...} public class StringComponent {...}

Creating the Class Implementation ,[object Object],[object Object],[object Object],stringSet = new string[] { "C# String 0", "C# String 1", ... }; private string[] stringSet; public StringComponent() {...}

Implementing Structured Exception Handling ,[object Object],[object Object],[object Object],[object Object],public string GetString(int index) {...} if((index < 0) || (index >= stringSet.Length)) { throw new IndexOutOfRangeException(); } return stringSet[index];

Creating a Property ,[object Object],public int Count { get { return stringSet.Length; } }

Compiling the Component ,[object Object],[object Object],csc /out:CompCS.dll /target:library CompCS.cs

Creating a Simple Console Client ,[object Object],[object Object],[object Object],[object Object]

Using the Libraries ,[object Object],[object Object],using CompCS; using CompVB; using CSStringComp = CompCS.StringComponent; using VBStringComp = CompVB.StringComponent;

Instantiating the Component ,[object Object],[object Object],//… using CSStringComp = CompCS.StringComponent; //… CSStringComp myCSStringComp = new CSStringComp();

Calling the Component ,[object Object],for (int index = 0; index < myCSStringComp.Count; index++) { Console.WriteLine (myCSStringComp.GetString(index)); }

Building the Client ,[object Object],csc /reference:CompCS.dll,CompVB.dll  /out:ClientCS.exe ClientCS.cs

Memory Management Basics ,[object Object],[object Object],[object Object],[object Object]

Manual vs. Automatic Memory Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Memory Management of .NET Framework Types ,[object Object],[object Object],[object Object],[object Object],[object Object]

Simple Garbage Collection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Multimedia: Simple Garbage Collection

Non-Memory Resource Management ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Finalization ,[object Object],[object Object],[object Object],class Foo { private System.IO.FileStream fs; //... public Foo() { fs = new System.IO.FileStream( " bar " , FileMode.CreateNew); } ~Foo() { fs.Close(); } }

Garbage Collection with Finalization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Garbage Collection with Finalization ( continued ) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Multimedia: Garbage Collection

Controlling Garbage Collection ,[object Object],[object Object],[object Object],[object Object],void System.GC.Collect(); void System.GC.WaitForPendingFinalizers(); void System.GC.ReRegisterForFinalize(object obj); void System.GC.SuppressFinalize(object obj);

The IDisposable Interface and the Dispose Method ,[object Object],[object Object],[object Object],class ResourceWrapper : IDisposable { // see code example for details }

Overview of ASP.NET ,[object Object],[object Object],[object Object]

What is ASP.NET? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ASP.NET Web Application XML Data Database Internet Page1. aspx Page2. aspx Web Services Components Web Forms Code-behind pages global. asax Web. config machine. config ASP.NET Web Server Output Cache Clients

Multimedia: ASP.NET Execution Model

Creating Web Forms ,[object Object],[object Object]

What Is a Web Form? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Using Server Controls ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Server Control? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],<asp:Button id="Button1" runat="server" Text="Submit"/>

Types of Server Controls ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HTML Server Controls ,[object Object],[object Object],<input type= " text " id= " txtName " runat= " server " / >

Web Server Controls ,[object Object],[object Object],[object Object],<asp:TextBox id= " TextBox1 " runat= " server "> Text_to_Display </asp:TextBox> <input name= " TextBox1" type="text" value=" Text_to_Display " Id="TextBox1"/>

Selecting the Appropriate Control You need specific functionality such as a calendar or ad rotator The control will interact with client and server script You are writing a page that might be used by a variety of browsers You are working with existing HTML pages and want to quickly add ASP.NET Web page functionality You prefer a Visual Basic-like programming model You prefer an HTML-like object model Use Web Server Controls if: Use HTML Server Controls if: Bandwidth is not a problem Bandwidth is limited

Overview of ADO.NET ,[object Object],[object Object]

Evolution of ADO to ADO.NET Connection ADO ADO.NET Command Recordset XxxConnection XxxCommand DataSet XxxTransaction XxxDataReader XxxDataAdapter

Object Model for Connected Applications Data Source XxxCommand Classes in a Connected Application XxxConnection XxxParameter XxxDataReader XxxParameter XxxParameter XmlReader

Disconnected Architecture Employees Orders Customers Products Categories Categories Products SqlDataAdapter OleDbDataAdapter SQL Server 2000 Customers Orders SQL Server 6.5 DataSet XML Web service XmlDataDocument XML File

What Is a DataAdapter? Data source DataAdapter DataTable DataTable DataSet DataAdapter Fill Update Fill Update

The XxxDataAdapter Object Model sp_SELECT XxxCommand SelectCommand UpdateCommand InsertCommand DeleteCommand XxxDataAdapter XxxCommand XxxCommand XxxCommand XxxConnection sp_UPDATE sp_INSERT sp_DELETE XxxDataReader

What Is an XML Web Service? A programmable application component accessible via standard Web protocols SOAP ,[object Object],WSDL Web Services Description Language ,[object Object],[object Object],XML & HTTP UDDI Universal Description, Discovery, and Integration ,[object Object],Open Internet Protocols XML Web service

Service-Oriented Architecture Service Broker Service Consumer Service Provider Bind Publish Find

Web Service Architectures and Service-Oriented Architecture ,[object Object],[object Object],[object Object]

Overview of Web Service Architectures Service Broker Publish Find Service Consumer Service Provider Bind Internet Web Service Provider Web Service Consumer UDDI (Web Service Broker)

Web Services as a Service-Oriented Architecture Implementation UDDI Any Client SOAP SOAP .NET Web Service SOAP IIS

Roles in a Web Service Architecture ,[object Object],[object Object],[object Object]

The Web Service Provider ,[object Object],[object Object]

The Web Service Consumer ,[object Object],[object Object],[object Object],[object Object]

The Web Service Broker ,[object Object],[object Object],[object Object]

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