Visual Basic 2010 Coding Briefs Data Access

Visual Basic 2010 Coding Briefs Data Access
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In today&#39;s high-tech, information driven world, the security of personal data is vital. We have all heard the horror stories of personal data being compromised from companies, both large and small.<br><br>The data access framework that we will develop in Coding Briefs will allow us to create datasets, execute queries, and select data in a secure, managed process. <br><br>This framework will provide a solid foundation for managing secure data access through stored procedures, allowing us to select, insert, update, and delete records from a SQL Server database. We will have access to parameterized queries and will develop an automated process for discovering stored procedure parameters.<br><br>The major areas that we will address in this brief are as follows:<br>– Discussing the Data Access Framework (DAL)<br>– Importing Libraries and Declaring Values<br>– Managing the Database Connections<br>– Selecting Records<br>– Manipulating Data<br>– Preparing the Select and Execute Methods<br>– Working with Parameters<br>– Testing the Data Access Framework<br><br>And, as a bonus, two complete sample applications have been added; one for Windows, and one in ASP .Net, that will test all of the features on the data access framework.

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Kevin Ph.D. Hough. Visual Basic 2010 Coding Briefs Data Access

VISUAL BASIC 2010. Coding Briefs. DATA ACCESS

About the Author

The Audience for Coding Briefs

Obtaining the Code

VISUAL BASIC 2010. Coding Briefs. DATA ACCESS. In today’s high-tech, information driven world, the security of personal data is vital. We have all heard the horror stories of personal data being compromised from companies, both large and small

Defining the Data Access Framework

Designing the Data Access Framework

Selecting Records

Executing Records

Quick Start Guide

Running the Sample Applications

Managing the Database Connections

Opening a Database Connection

Closing a Database Connection

Selecting Database Records

Creating a DataSet Class

Returning a SqlDataReader Class

Manipulating Data

Executing Transact-SQL Commands

Working with Stored Procedures

Examining the Anatomy of a Stored Procedure

Tools for Creating Stored Procedures

Creating Stored Procedures in Visual Studio 2010

Creating Stored Procedures in the SSMS

Preparing the Select and Execute Methods

Setting up Stored Procedures

Working with Parameters

Adding Stored Procedure Parameters

Having SQL Server Retrieve the Parameters

Retrieving Stored Procedure Parameters

Returning Output Parameters

Retrieving Output Parameters

Documenting the Data Access Layer

Defining the Sample Projects

Attaching the Contact Database

Defining the Windows Sample Application

Defining the Tiers

Trapping Errors in the Code

Maintaining Data Integrity

Running the Windows Sample Application

Calling the Data Access Framework

Working with Business Objects

Selecting Records

Updating the Zip Code

Inserting a new Contact

Deleting a Contact

What’s Happening in the ASP. Net Sample Application?

Trapping Errors in the Code

Maintaining Data Integrity

Controlling the Views

Using Master Pages

Running the ASP .Net Sample Application

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Kevin Hough heads the Project Management Office and the Software Engineering department at Trans-Trade, Inc in Dallas/Ft. Worth.

He has been developing enterprise level software since 1983 and has specialized in Microsoft technologies since 1990. Currently, he is developing with Visual Basic, C#, SQL Server, Silverlight, and DotNetNuke.

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With the Microsoft tools that are available to us, and a little ingenuity, we can design and develop a very robust Data Access Framework that can be used, not only for Coding Briefs, but for most other applications that we develop in the future

In the next section, we design the data access framework.

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