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ADO.NET for Web Applications Using Visual Basic
Rev 3.0
.NET Training Overview

This three-day intensive course teaches the essential elements of ADO.NET for Web applications such that at the end of the course the programmer is able to utilize its tremendous database manipulation powers to build effective database applications. The course includes a major case study demonstrating the use of ADO.NET in a realistic setting. It is current to .NET 3.5, Visual Studio 2008 and SQL Server 2005/2008.

The course opens with an overview of ADO.NET and its relation to previous Microsoft data access technologies, including ADO. It includes a discussion of ADO.NET architecture, main interfaces and classes, and programming with both the connected and disconnected models. The database for the case study is introduced.

The next two chapters cover in detail Connection and Command objects, which are essential in both connected and disconnected database access scenarios. The following chapter covers DataReaders, which provide a fast, forward-only reading capability. Programming with DataReaders bears a close resemblance to programming with the vintage recordset object.

Then the course focuses on the backbone of ADO.NET: DataSet and its related classes, such as DataAdapter, DataTable, DataRow, DataColumn, DataRelation, TableMappings and ColumnMappings. DataSet is able to handle multiple tables while remaining disconnected. It is eminently suited for building highly scalable applications for the Web. The close relationship between ADO.NET and XML is covered in detail. Transactions and concurrency are covered.

The course concludes with a hands-on treatment of newer ADO.NET and ASP.NET features in .NET 2.0 and 3.5, including new ASP.NET data access controls, asynchronous operations, multiple active result sets and bulk copy. Language Integrated Query (LINQ) is covered in some detail, including LINQ to SQL and LINQ to DataSet.

There are numerous example program implemented in a multiple-tier architecture, with separate tiers for data access and user interface. Both Web and Windows client programs are provided. This course comes with a separate lab manual with detailed instructions for labs implementing ADO.NET programs with Web clients. A parallel course, 4220 ADO.NET Using Visual Basic, provides a lab manual for Windows clients.

.NET Learning Objectives

  • Understand the architecture and main classes of ADO.NET
  • Gain fluency in programming ADO.NET using Visual Basic
  • Gain a thorough understanding of the use of disconnected DataSets for building highly scalable applications
  • Acquire a working knowledge of the tight coupling of XML with ADO.NET
  • Learn how to use newer features in ADO.NET 3.5 with Visual Studio 2008 and SQL Server 2005/2008.
  • Implement a realistic case study that ties together all the concepts of ADO.NET in a practical demonstration
.NET Training Prerequisites

A basic knowledge of SQL and of programming the .NET Framework using Visual Basic. The student should also understand the fundamentals of XML. To get full benefit from the examples in the course the student should be able to write simple ASP.NET Web Forms applications. A working knowledge of SQL Server is also desirable.

.NET Training Course duration

3 days.

.NET Training Course outline

1. Introduction to ADO.NET
  • Microsoft Data Access Technologies
  • From ADO to ADO.NET
  • ADO.NET Architecture
  • Namespaces and Classes
  • Interfaces
  • DataSets and Disconnected Access
  • First ADO.NET Programs
  • Acme Computer Case Study
2. ADO.NET Connections
  • .NET Data Providers
  • IDbConnection
  • Connection Classes
  • Connection Strings
  • Connection Pooling
  • Connection Events
  • Error Handling
3. ADO.NET Commands
  • IDbCommand
  • Command Objects
  • Creating Commands
  • Executing Commands
  • Parameterized Queries
  • Command Types
  • Using Stored Procedures
  • Batch Queries
4. DataReaders and Connected Access
  • DataReaders
  • IDataReader
  • IDataRecord
  • Type-Safe Accessors
  • Null Columns
  • ExecuteReader Options
  • Multiple Result Sets
  • Obtaining Schema Information
5. Data Sets and Disconnected Access
  • DataSet
  • DataAdapter
  • Command Objects
  • DataTable
  • DataColumn
  • DataRow
  • Row States and Versions
  • Accept or Reject Changes
  • DataTable Events
  • Updating a Database from a DataSet
  • Command Builders
6. More About DataSets
  • Filtering DataTables
  • Multiple Table DataSets
  • Schema
  • Constraints
  • Relations
  • Navigating a DataSet
  • DataMapping
  • Creating a DataSet Programmatically
7. XML and ADO.NET
  • Strong Coupling Between ADO.NET and XML
  • Rendering XML from a DataSet
  • Controlling XML Output
  • Reading XML into a DataSet
  • XML Schema and DataSets
  • Typed DataSets
  • Table Adapters
  • Synchronizing DataSets and XML
  • XML Serialization
8. Concurrency and Transactions
  • DataSets and Concurrency
  • Optimistic Concurrency
  • Pessimistic Concurrency
  • Handling Concurrency Violations
  • ADO.NET Transactions
  • Database Transactions
9. Newer Features in ADO.NET and ASP.NET
  • Using Server Explorer in Visual Studio 2008
  • New ASP.NET Data Access Controls
  • Asynchronous Database Operations
  • Multiple Active Result Sets
  • Bulk Copy in ADO.NET
10. LINQ to ADO.NET
  • Language Integrated Query (LINQ)
  • Bridging Objects and Data
  • Using Object Relational Designer
  • Filtering, Ordering and Aggregation
  • Inserts, Deletes and Updates
  • LINQ to SQL
  • LINQ to DataSet
Appendix A. Acme Computer Case Study

Appendix B. Learning Resources

System Requirements

Required software is Visual Studio 2008, Standard Edition or higher, and SQL Server. Either SQL Server 2005 Express Edition (bundled with Visual Studio 2008) or SQL Server 2008 Express Edition (a free download from Microsoft) may be used. The recommended operating system is Windows XP with at least Service Pack 2. Service Pack 1 for Visual Studio 2008 may be installed, but it is not required unless SQL Server 2008 is used. See the course Setup Notes for details.

A good minimal hardware profile for this course would have a 2 GHz or better CPU, 512 MB of RAM, and at least 4 GB of free disk space for tools installation and courseware. The installation of Visual Studio 2008 Service Pack 1 requires 5.5 GB of free disk space on the partition on which the operating system is installed.
 
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