Introduction to XPO

• Defining persistent types
• Types of persitent object
• Choosing the base class
• Property implementation
• Relationships
  1. One to one
  2. One to many
  3. Many to many
  4. Other data operations
• Value converters
• Delayedproperties
• Persistent aliases
• Deferred deletion
• Object locking
• Sessions and units of work
  

  Quering Objects

  1. Criterias and operators
  2. LINQ and the XPQuery
  3. Querying components: XPCursor, XPPageSelector, XPView, XPDataView
  4. Using Stored Procedures
  5. Direct SQL Querying

  Connection string and datastores

  1. Default session
  2. Connecting to the database using connection strings
  3. Connecting to the database using data access layer

Life cycle

1. Creating or updating schema
2. Platform specific patterns for Windows and Asp

Object Validation

1. Learn how to develop a custom validation pattern