Overview
This two-day instructor-led course provides students with the knowledge and skills to access and modify data by using ADO.NET 3.5.

Audience Profile
This course is intended for application developers who know how to create applications in Visual Studio 2005 or 2008.

At Course Completion
After completing this course, students will be able to:
Describe the purpose and structure of ADO.NET 3.5.
Explain the role of data providers in ADO.NET 3.5.
List the technologies and techniques available for managing data with ADO.NET 3.5.
Insert, update, and delete data by using ADO.NET Command objects.
Implement transactions to control data integrity and concurrency.
Define and use a DataSet for retrieving data.
Use a DataSet to update a database.
Use a DataSet as a local cache in an occasionally connected environment.
Define LINQ queries for selecting data from an in-memory data structure.
Use LINQ to SQL to query data in a database.
Use LINQ to SQL to modify data and save changes to the database.
Explain how to use the ADO.NET Entity Framework to map a database schema to a logical business model.
Use the ADO.NET Entity Framework to query and manage data.
Explain how Synchronization Services supports occasionally-connected solutions.
Use Synchronization Services to download data from a SQL Server database.
Use Synchronization Services to upload data to a SQL Server database.

Prerequisites
Before attending this course, students should have intermediate experience developing applications by using previous versions of Microsoft Visual Studio at level 200.

Course Outline

Module 1: Getting Started with ADO.NET 3.5
This module explains how to connect to a database and retrieve data by using ADO.NET commands.

Lessons
Introduction to ADO.NET 3.5
Connecting to a Database and Retrieving Data
Best Practices for Managing Connections and Performing Queries

Lab : Connecting to a Database and Retrieving Data
Connecting to a Database
Executing a Simple Query
Executing a Query That Returns a Result Set
Executing a Query That Requires a Parameter

Module 2: Modifying Data by Using ADO.NET Commands
This module explains how to modify data by using ADO.NET commands.

Lessons
Inserting, Updating, and Deleting Data
Managing Data Integrity and Concurrency

Lab : Modifying Data by Using ADO.NET Commands
Inserting, Updating, and Deleting Data in a Database
Implementing Transactional Updates
Executing Commands Asynchronously

Module 3: Querying and Maintaining Data by Using DataSets
This module explains how to use DataSets to fetch and modify data, and act as a local data cache.

Lessons
Creating and Using a DataSet to Retrieve Data
Updating a Database by Using a DataSet
Using a DataSet in an Occasionally Connected Environment

Lab : Using a DataSet to Retrieve and Modify Data
Creating a Typed DataSet
Retrieving Data into a DataSet
Modifying Data in a DataSet
Saving a DataSet and Resolving Conflicts

Module 4: Querying and Maintaining Data by Using LINQ
This module explains how to use LINQ to retrieve and update data.

Lessons
Querying In-Memory Data by Using LINQ Query Expressions
Retrieving Data by Using LINQ to SQL
Modifying Data by Using LINQ to SQL

Lab : Querying and Maintaining Data by Using LINQ to SQL
Defining Entity Classes
Retrieving Data by Using LINQ to SQL
Modifying Data by Using LINQ to SQL

Module 5: Implementing an Entity Model by Using the ADO.NET Entity Framework
This module explains how to use the Entity Framework to implement an entity data model for querying and maintaining data.

Lessons
Creating an Entity Data Model by Using the ADO.NET Entity Framework
Querying and Modifying Data by Using the ADO.NET Entity Framework

Lab : Implementing an Entity Data Model by Using the ADO.NET Entity Framework
Creating an Entity Data Model
Querying Entities in an Entity Data Model
Modifying Entities in an Entity Data Model

Module 6: Building Occasionally Connected Solutions by Using Synchronization Services
This module explains how to use Synchronization Services to build occasionally connected solutions.

Lessons
Understanding Microsoft Synchronization Services
Downloading Data by Using Synchronization Services
Uploading Data by Using Synchronization Services

Lab : Building Occasionally Connected Solutions by Using Synchronization Services
Modifying a Database Schema to Support Synchronization
Downloading Data to a Client Computer
Uploading Data Changes to the Database