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How to: Customize Entity Classes by Using the Code Editor

Developers using Visual Studio can use the Object Relational Designer to create or customize their entity classes. Object Relational Designer (O/R Designer)
Object Relational Designer (O/R Designer)

You can also use the Visual Studio code editor to write your own mapping code or to customize code that has already been generated. For more information, see Attribute-Based Mapping.

The topics in this section describe how to customize your object model.

How to: Specify Database Names

Describes how to use Name.

How to: Represent Tables as Classes

Describes how to use TableAttribute.

How to: Represent Columns as Class Members

Describes how to use ColumnAttribute.

How to: Represent Primary Keys

Describes how to use IsPrimaryKey.

How to: Map Database Relationships

Provides examples of using the AssociationAttribute attribute.

How to: Represent Columns as Database-Generated

Describes how to use IsDbGenerated.

How to: Represent Columns as Timestamp or Version Columns

Describes how to use IsVersion.

How to: Specify Database Data Types

Describes how to use DbType.

How to: Represent Computed Columns

Describes how to use Expression.

How to: Specify Private Storage Fields

Describes how to use Storage.

How to: Represent Columns as Allowing Null Values

Describes how to use CanBeNull.

How to: Map Inheritance Hierarchies

Describes the mappings required to specify an inheritance hierarchy.

How to: Specify Concurrency-Conflict Checking

Describes how to use UpdateCheck.

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