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Class PrimaryKeyColumnAttribute

Attribute that represents a Primary Key

Inheritance

System.Object

System.Attribute

Namespace: Umbraco.Core.Persistence.DatabaseAnnotations

Assembly: Umbraco.Core.dll

Syntax

[AttributeUsage(AttributeTargets.Property)]
public class PrimaryKeyColumnAttribute : Attribute, _Attribute

Remarks

By default, Clustered and AutoIncrement is set to true.

Constructors

PrimaryKeyColumnAttribute()

Declaration

public PrimaryKeyColumnAttribute()

Properties

AutoIncrement

Gets or sets a boolean indicating whether the primary key is auto incremented.

Declaration

public bool AutoIncrement { get; set; }

Property Value

Type	Description
System.Boolean

Remarks

Defaults to true

Clustered

Gets or sets a boolean indicating whether the primary key is clustered.

Declaration

public bool Clustered { get; set; }

Property Value

Type	Description
System.Boolean

Remarks

Defaults to true

IdentitySeed

Gets or sets the Identity Seed, which is used for Sql Ce databases.

Declaration

public int IdentitySeed { get; set; }

Property Value

Type	Description
System.Int32

Remarks

We'll only look for changes to seeding and apply them if the configured database is an Sql Ce database.

Name

Gets or sets the name of the PrimaryKey.

Declaration

public string Name { get; set; }

Property Value

Type	Description
System.String

Remarks

Overrides the default naming of a PrimaryKey constraint: PK_tableName

OnColumns

Gets or sets the names of the columns for this PrimaryKey.

Declaration

public string OnColumns { get; set; }

Property Value

Type	Description
System.String

Remarks

Should only be used if the PrimaryKey spans over multiple columns. Usage: [nodeId], [otherColumn]