About This Site 

This site consists primarily of archived content having more-than-ephemeral interest that's been pasted from the OakLeaf Systems blog. Some pages are present because readers might like larger inline images than the current blog format supports.

Click the links at the left to view OakLeaf Systems blog posts in a GooglePage format.

The primary topics of this Web site are:

• Relational databases (SQL Server 2005, SQL Server 2005 Compact Edition, and Microsoft Access)
• Object/Relational mapping (ADO.NET vNext Entity Framework and Entity Data Model)
• Data and XML domain-specific languages (LINQ for Entities, LINQ for SQL, LINQ for XML and LINQ for Objects)
• Visual Basic .NET (especially version 9.0 for the next version of Visual Studio, codenamed "Orcas")
• XML for object persistence (DataSets)
• Databinding, concurrency issues, and other data-related exotica.
• Online database applications (e.g., QuickBase and DabbleDB)
• "Web 2.0" authoring and collaboration applications (e.g., Windows Live Whatever, Squidoo, Hubpages, Wetpaint, Google Base, etc.)

About Roger Jennings and OakLeaf Systems

 I'm the principal consultant of OakLeaf Systems and the author of 30+ books on Microsoft operating systems (Windows NT and Windows 2000 Server), databases (SQL Server and Access), .NET data access, Web services and InfoPath 2003. The books have more than 1.25 million English copies in print and have been translated into 20+ languages. My latest book is Expert One-on-One Visual Basic 2005 Database Programming for WROX.

I'm also a contributing editor of Fawcette Technical Publications' Visual Studio Magazine and a frequent contributor to their .NETInsight newsletter.

OakLeaf's Code of Federal Regulations (CFR) Web service won the charter Microsoft .NET Best award for horizontal XML Web service solutions.