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   How to: Access Data in SQL Query Results
   How to: Bind an XPCollection to a LookUp
   How to: Bind an XPCollection to Standard Controls
   How to: Bind an XPCollection to the DataGrid
   How to: Bind an XPCollection to the Grid
   How to: Build Complex Criteria
   How to: Build Simple Criteria
   How to: Change Inheritance Mapping
   How to: Connect to a SQL Server
   How to: Connect to SQL Azure
   How to: Connect XPO to a Database Other than MS SQL or MS Access
   How to: Control Automatic Saving of Objects when Editing in a Grid
   How to: Create an Aggregated Object
   How to: Delay Property Loading
   How to: Filter By DateTime Values
   How to: Filter Persistent Objects by Type
   How to: Handle Persistent Object Initialization
   How to: Implement a Custom Criteria Language Function Operator
   How to: Implement a Full-Text Search
   How to: Implement Custom Functions and Criteria in LINQ to XPO
   How to: Implement Many-to-Many Relationships
   How to: Implement One-to-One Relationships
   How to: Link Classes Located in Different Assemblies
   How to: Make a Class or Property Non-Persistent
   How to: Make XPCollection Create Objects of Specific Type when They are Created via Bound Controls
   How to: Map to Custom Tables (Views) and Columns
   How to: Obtain a Collection of Persistent Objects by a Set of Their IDs
   How to: Obtain a Collection of Persistent Objects for Processing
   How to: Persist a BLOB Field
   How to: Prevent Changes in a Persistent Object from being Automatically Committed
   How to: Restore Deleted Objects
   How to: Use Pageable Collections
   How to: Use Read-Only Persistent Properties
   How to: Use the ContainsOperator for Objects in a Many-to-Many Relationship
   How to: Validate an Object
   How to: Work with Structures
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How to: Control Automatic Saving of Objects when Editing in a Grid

When an XtraGrid control is bound to an XPCollection, persistent objects within the collection automatically save their state immediately after editing is finished. This is accomplished via the default IEditableObject interface implementation provided by the XPBaseObject class. In essence, the object's XPBaseObject.Save method is called after editing is finished (IEditableObject.EndEdit()) and the static XPBaseObject.AutoSaveOnEndEdit field is set to true. To disable automatic saving, do one of the following.

  • Set the static XPBaseObject.AutoSaveOnEndEdit field to false.

  • Override the default IEditableObject.EndEdit() method implementation. If you want the total control over object saving, you can override the entire IEditableObject interface implementation as shown below.

After this, you need to manually save the changes to the underlying database, when necessary, via the XPBaseObject.Save method call.

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