Introduction To Dot Net Siddhesh
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High level introduction to .NET
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Introduction To Dot Net Siddhesh
- 1. Introduction to .NET Siddhesh Bhobe
- 6. 1 st generation web applications OS Services Microsoft provided IIS, IE and COM Applications largely operating in a client / server model were augmented with web browser and servers. Browsers Web app developers took advantage of these local services and used HTML to “project” the UI to many types of clients. Servers Data, Hosts UI Logic Biz Logic
- 7. 2 nd generation of web applications Combination of “stateless” Web protocols with DNS and IP routing have enabled mass-scale “Geo-Scalability” “ Stateful” “ Stateless” & “ Geo-Scalable” OS Services Biz Logic Tier Rich Client UI Logic Servers Data, Hosts Richer Browsers Separation of data and business logic provide greater scalability and performance while accessing enterprise data. *COM+ Services improve reliability, scalability and manageability. *DHTML for better interactivity.
- 8. Next Generation Applications Richer, More Productive User Experience Applications Become Programmable Web Services Standard Browsers Open Internet Communications Protocols (HTTP, SMTP, XML, SOAP) Applications Leverage Globally-Available Web Services Smarter Clients Smarter Devices OS Services Biz Tier Logic Biz Logic & Web Service OS Services Public Web Services Building Block Services Internal Services XML XML XML Servers Data, Hosts XML Other Services XML XML XML HTML
- 10. Couldn’t we have this! No “plumbing” is needed and objects can directly interact Components are built on a “common” substrate.
- 13. How Much Simpler? HWND hwndMain = CreateWindowEx( 0, "MainWClass", "Main Window", WS_OVERLAPPEDWINDOW | WS_HSCROLL | WS_VSCROLL, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, (HWND)NULL, (HMENU)NULL, hInstance, NULL); ShowWindow(hwndMain, SW_SHOWDEFAULT); UpdateWindow(hwndMain); Form form = new Form(); form.Text = "Main Window"; form.Show(); Windows API .NET Framework
- 14. Architecture Visual Studio.NET Windows COM+ Services Common Language Runtime Base Class Library ADO.NET and XML ASP.NET Windows Forms Common Language Specification VB C++ C# JScript …
- 15. Common Language Runtime VB Source code Compiler C++ C# Compiler Compiler Assembly IL Code Assembly IL Code Assembly IL Code Operating System Services Common Language Runtime JIT Compiler Native Code Managed code Unmanaged Component
- 16. Compilation Source Code C++, C#, VB or any .NET language Metadata IL Managed code Resources myprogram.DLL Assembly is basic deployable unit in .NET VS.NET Csc.exe, vbc.exe, etc. Compiler Assembly DLL or EXE
- 18. ADO.NET
- 19. ADO.NET Architecture OdbcConnection OdbcCommand OdbcDataAdapte r Odb cDataReader ODBC .NET Data Provider COM Inter op ODBC
- 20. ADO.NET
- 22. ADO and XML in the .NET Framework Managed Provider DataReader Command Connection Sync Controls, Designers, Code-gen, etc DataSet XmlReader XSL/T, X-Path, etc XmlData- Document DataAdapter
- 29. Web Services in .NET
- 30. Web Services are “Key” in .NET
- 37. Creating and Consuming Web Services in VS.NET
- 38. Create New ASP.NET Web Service Project
- 39. Project and Sample Files created
- 40. Add New Web Service to the Project
- 42. default.asmx.vb
- 44. Our Web Service
- 46. Testing a web service
- 47. Enter Values…
- 48. Invoke…
- 52. Code behind
- 54. DNA to .NET Migration
- 55. Windows DNA architecture Windows NT 4/Windows 2000 COM COM COM IIS ASP SQL
- 71. Another way to look at it… VB6 Front End Component Access COM COM COM
- 72. Expose Your COM Components … External Apps VB 6 Web Service COM COM COM SOAP
- 73. Convert Front End … VB 6 VB.NET VB 6 COM Interop Upgrade Tool Web Service External Apps COM COM COM SOAP
- 74. Convert COM to .NET … VB.NET Migration Tool .NET .NET .NET COM COM COM
- 75. Convert Fully … VB.NET VB 6 .NET Interop Web Service External Apps .NET .NET .NET
- 77. Useful Links http://www.microsoft.com/net http://www.gotdotnet.com http://www.sharpdevelop.org http://www.go-mono.com http://www.icsharpcode.net http://www.ecma.ch (C# & CLI standard) http://www.dotnet247.com/