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Fujitsu Computer Systems

Data Access in the .NET

EnvironmentFujitsu Software Corporation

Customer Training Series

Presented by:

Tim OBrienSenior Systems EngineerFujitsu Software Corporation

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PAGE 2 Fujitsu Computer Systems

Data Access in the .NET Environment

Types of file I/O available

.NET file I/O classes

S! in t"e .NET Environment

#$O.NET

Create a CO%O! application using stan&ar&CO%O! file I/O

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PAGE 3 Fujitsu Computer Systems

Data Access in the .NET Environment

(Cont)

Create a CO%O! application using .NET &ata

streaming classes

Create a CO%O! application using S!

Create a CO%O! application using #$O.NET

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PAGE 4 Fujitsu Computer Systems

Types of fie !"# avaia$e

Tra&itional Stan&ar& CO%O! file I/O is available

' Se(uential) *elative an& In&e+e& file I/O

.NET provi&es &ata streaming classes for file I/O

t"at are accessible from CO%O!

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PAGE % Fujitsu Computer Systems

Types of fie !"# avaia$e (Cont)

Embe&&e& S! is supporte& for O$%C access

#$O.NET classes are available to CO%O!

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PAGE & Fujitsu Computer Systems

.NET fie !"# casses

Foun& in System.IO.File namespace

Complete set of functions for manipulating t"e

file system

,rovi&es support for creating) managing an&

&eleting files an& &irectories

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* in the .NET environment

Embe&&e& S! may be co&e& &irectly in

CO%O! programs

%ot" static an& &ynamic S! are supporte&

-aes use of O$%C to access &ata sources atruntime

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AD#.NET

,referre& mec"anism for accessing relational

&atabases

Tec"nology focus on scalability) performance)

an& interoperability on multiple platforms

Implements a &isconnecte& &ata access

arc"itecture

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AD#.NET (Cont)

Integrate& wit" -!

0roupe& in content component classes an&

manage& provi&er classes to separate &ata

manipulation from &atabase access

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AD#.NET Dia/ram

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tan0ar0 C#1#* fie !"#

Illustrate t"at stan&ar& tra&itional CO%O! file I/O is

available in t"e .NET environment

Create a CO%O! Class

*ea& a Se(uential file

S"ow t"e &ifference between Static an& Instance-et"o&s accessing files

Implement E+ception 2an&ling

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DE#

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.NET 0ata streamin/ casses

Illustrate t"at .NET &ata streaming classes are

accessible from CO%O!

Create a se(uential file

3rite &ata to t"e new file 4Stream3riter5

*ea& &ata bac from t"e new file

4Stream*ea&er5

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PAGE -% Fujitsu Computer Systems

Demo

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PAGE -& Fujitsu Computer Systems

C#1#* appication sin/ *

Illustrate t"at embe&&e& S! is available

from CO%O!

Illustrate "ow to set up an O$%C &ata

source

Create) !oa& an& *ea& a table in

-icrosoft #ccess

$isplay t"e &ata retrieve& to t"e console

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PAGE -' Fujitsu Computer Systems

Demo

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PAGE -+ Fujitsu Computer Systems

C#1#* appication sin/ AD#.NET

Illustrate t"at #$O.NET is available from

CO%O!

Illustrate "ow to set up an #$O.NET

connection

#ccess a table in S! Server retrieving

&ata

$isplay t"e &ata retrieve& to t"e console

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PAGE -, Fujitsu Computer Systems

Demo

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PAGE 2 Fujitsu Computer Systems

estions