Add this attribute to your data interface to specify one or more primary key fields.

Namespace: Composite.Data
Assembly: Composite (in Composite.dll) Version: 5.3.6135.33083

Syntax

C#
public sealed class KeyPropertyNameAttribute : Attribute
Visual Basic
Public NotInheritable Class KeyPropertyNameAttribute _
	Inherits Attribute
Visual C++
public ref class KeyPropertyNameAttribute sealed : public Attribute

Examples

This sample shows how to use the KeyPropertyName attribute:
CopyC#
[KeyPropertyName("Id")]
// (other IData attributes)
interface IMyDataType : IData
{
    Guid Id { get; set; }

    // other data type properties
}
 This example shows how to specify a compound key. :
CopyC#
[KeyPropertyName(0, "FolderName")]
[KeyPropertyName(1, "FileName")]
// (other IData attributes)
interface IMyDataType : IData
{
    string FolderName { get; set; }
    string FileName { get; set; }

    // other data type properties
}

Inheritance Hierarchy

System..::..Object
  System..::..Attribute
    Composite.Data..::..KeyPropertyNameAttribute

See Also