RepositoryExtensions.GetProjectionPrimaryKeyEqualsExpression<TEntity, TProjection, TPrimaryKey>(IRepository<TEntity, TPrimaryKey>, TPrimaryKey) Method

Builds a lambda expression that compares an entity primary key with the given constant value.

Namespace: DevExpress.Mvvm.DataModel

Assembly: DevExpress.Mvvm.v19.1.DataModel.dll

Declaration

C#

public static Expression<Func<TProjection, bool>> GetProjectionPrimaryKeyEqualsExpression<TEntity, TProjection, TPrimaryKey>(
    this IRepository<TEntity, TPrimaryKey> repository,
    TPrimaryKey primaryKey
)
    where TEntity : class

VB.NET

<ExtensionAttribute>
Public Shared Function GetProjectionPrimaryKeyEqualsExpression(Of TEntity As Class, TProjection, TPrimaryKey)(
    repository As IRepository(Of TEntity, TPrimaryKey),
    primaryKey As TPrimaryKey
) As Expression(Of Func(Of TProjection, Boolean))

Parameters

Name	Type	Description
repository	IRepository<TEntity, TPrimaryKey>	A repository.
primaryKey	TPrimaryKey	A value to compare with the entity primary key.

Type Parameters

Name
TEntity
TProjection
TPrimaryKey

Returns

Type	Description
Expression<Func<TProjection, Boolean>>	The lambda expression.