Dev Evening

The Devevning ORM Showdown!
Dave Hawes
http://blog.davehawes.com
@davehawes

Coming up...
A brief history of the tool
Where you can get it from
How is it used
Where I have used it
What are it’s good points
What are it’s bad points
Things I think people should know about

A brief history of the tool
Created by Solutions Design
Established product, over 5 years old
FransBouma is lead developer, a MVP (he knows his beans)
@FransBouma

Where you can get it from
The LLBLGen Pro websitehttp://www.llblgen.com
Pricing
1 to 2 - EUR 249.00
3 to 5 - EUR 219.00
6 to 10 - EUR 199.00
11 to 20 - EUR 189.00
More than 20 - EUR 179.00

How is it used
Uses the database schema of 1 or more databases as its domain model
Lists all Tables and Views as entities which can optionally be added to your code gen project as Entities
Lists Stored Procedures which can be added as Actions
Generate .Net DAL based on 1 of 2 templates

LLBLGen Pro generates the complete data-access tier and a business objects tier, utilizing powerful O/R mapping technology and a flexible task-based code generator.
GUI
BL
LLBLGen Pro
Database

DAL and business objects are immediately available.
Percentages of the total number of man-hours
x
30 %
80%
GUI
x
40 %
20%
BL
x
30 %
0%
DAL
Database

LLBLGen In Action – Create Database

Model In Sql Server

Point LLBLGen at Database

Create Entities From Tables

Hit Generate and get your .Net project

Out of the Box Database Support
SqlServer 7/2000/2005/2008
Oracle 8i/9i/10g/11g
MySql 4.x/5.x
IBM DB2 7.x/8.x /9.x driver
Firebird 1.x/2.x
PostgreSql 7.4+/8.x
Sybase ASE
Sybase ASA
Microsoft Access 2000/XP/2003/2007 driver

Azure
When I last checked when using my Azure CTP account, LLBLGen DALs would connect and run against a single Sql Azure database but could not use it as the domain model.

.Net Versions and Languages
Support for multiple .NET versions:Generated code supports .NET 1.0/1.1/2.0/3.0/3.5, CF.NET 1.0, 2.0, 3.5 and generated Visual Studio.NET project files are compatible with Visual Studio.NET 2002/2003/2005/2008.
Languages supported:All functionality is supported in both C# and VB.NET.

More...
Customers have access to the SDK and full source code for all parts of LLBLGen Pro except for the designer.
The SDK can be used to customize the various subsystems of LLBLGen Pro.

Features
Auditing
Authorization
Validation
Flexible concurrency management
Transparent authorization and auditing
Deep, fine grained validation framework
Efficient, tunable, querying system
Distributed systems (SOA) support
In-memory filtering and sorting of entity graphs
See full list here: http://www.llblgen.com/pages/features.aspx

Where I have used it
My website adventure:
http://www.skillbook.co.uk
http://www.tcbooker.com
http://www.safetytrainingnetwork.co.uk
Many small apps based on Access
Creating a webservice sitting between Oracle and Microsoft Crm

Good Points
Very very easy to use
Is owned an run by a ‘Product company’
Very clear roadmap
Very good support from both community and company
Very extensible (if required)
Encourages good database design

Bad Points
Hmmm, struggled to come up with any

LLBLGen 3 this year
Lots of new features including:
model first development
To support
Nhibernate
Entity Framework
LINQ To SQL

Summary
It is a very easy to use product
Implements latest .Net coding techniques
Supports a wide range of databases
Professional and Community support
Clear Roadmap for the product
Inexpensive for the benefits it returns

Thank you for your time
Questions?
Dave Hawes
http://blog.davehawes.com
@davehawes

Dev Evening

by guestfb50791 on Feb 26, 2010

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