Bagikan melalui

ProjectionBindingExpression Konstruktor

  • Referensi

Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Query
Rakitan:
Microsoft.EntityFrameworkCore.dll
Paket:
Microsoft.EntityFrameworkCore v3.0.0
Paket:
Microsoft.EntityFrameworkCore v3.1.0
Paket:
Microsoft.EntityFrameworkCore v5.0.0
Paket:
Microsoft.EntityFrameworkCore v6.0.0
Paket:
Microsoft.EntityFrameworkCore v7.0.0
Paket:
Microsoft.EntityFrameworkCore v8.0.0

Overload

ProjectionBindingExpression(Expression, IDictionary<IProperty,Int32>)

Membuat instans ProjectionBindingExpression baru kelas.
ProjectionBindingExpression(Expression, IReadOnlyDictionary<IProperty,Int32>)
Kedaluwarsa.

Membuat instans ProjectionBindingExpression baru kelas.
ProjectionBindingExpression(Expression, ProjectionMember, Type)

Membuat instans ProjectionBindingExpression baru kelas.
ProjectionBindingExpression(Expression, Int32, Type)

Membuat instans ProjectionBindingExpression baru kelas.

ProjectionBindingExpression(Expression, IDictionary<IProperty,Int32>)

Membuat instans ProjectionBindingExpression baru kelas.

public ProjectionBindingExpression (System.Linq.Expressions.Expression queryExpression, System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty,int> indexMap);
new Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression : System.Linq.Expressions.Expression * System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty, int> -> Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression
Public Sub New (queryExpression As Expression, indexMap As IDictionary(Of IProperty, Integer))

Parameter

queryExpression
Expression

Ekspresi kueri untuk mendapatkan nilai dari.

indexMap
IDictionary<IProperty,Int32>

Peta indeks yang akan diikat dengan proyeksi ekspresi kueri untuk ValueBuffer.

Berlaku untuk

ProjectionBindingExpression(Expression, IReadOnlyDictionary<IProperty,Int32>)

Perhatian

The dictionary should be stored in client projection in query expression and access via index based binding.

Membuat instans ProjectionBindingExpression baru kelas.

[System.Obsolete("The dictionary should be stored in client projection in query expression and access via index based binding.")]
public ProjectionBindingExpression (System.Linq.Expressions.Expression queryExpression, System.Collections.Generic.IReadOnlyDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty,int> indexMap);
[<System.Obsolete("The dictionary should be stored in client projection in query expression and access via index based binding.")>]
new Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression : System.Linq.Expressions.Expression * System.Collections.Generic.IReadOnlyDictionary<Microsoft.EntityFrameworkCore.Metadata.IProperty, int> -> Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression
Public Sub New (queryExpression As Expression, indexMap As IReadOnlyDictionary(Of IProperty, Integer))

Parameter

queryExpression
Expression

Ekspresi kueri untuk mendapatkan nilai dari.

indexMap
IReadOnlyDictionary<IProperty,Int32>

Peta indeks yang akan diikat dengan proyeksi ekspresi kueri untuk ValueBuffer.

Atribut
ObsoleteAttribute

Berlaku untuk

ProjectionBindingExpression(Expression, ProjectionMember, Type)

Membuat instans ProjectionBindingExpression baru kelas.

public ProjectionBindingExpression (System.Linq.Expressions.Expression queryExpression, Microsoft.EntityFrameworkCore.Query.ProjectionMember projectionMember, Type type);
new Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression : System.Linq.Expressions.Expression * Microsoft.EntityFrameworkCore.Query.ProjectionMember * Type -> Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression
Public Sub New (queryExpression As Expression, projectionMember As ProjectionMember, type As Type)

Parameter

queryExpression
Expression

Ekspresi kueri untuk mendapatkan nilai dari.

projectionMember
ProjectionMember

Anggota proyeksi untuk mengikat dengan ekspresi kueri.

type
Type

Jenis nilai clr yang sedang dibaca.

Berlaku untuk

ProjectionBindingExpression(Expression, Int32, Type)

Membuat instans ProjectionBindingExpression baru kelas.

public ProjectionBindingExpression (System.Linq.Expressions.Expression queryExpression, int index, Type type);
new Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression : System.Linq.Expressions.Expression * int * Type -> Microsoft.EntityFrameworkCore.Query.ProjectionBindingExpression
Public Sub New (queryExpression As Expression, index As Integer, type As Type)

Parameter

queryExpression
Expression

Ekspresi kueri untuk mendapatkan nilai dari.

index
Int32

Indeks yang akan diikat dengan proyeksi ekspresi kueri.

type
Type

Jenis nilai clr yang sedang dibaca.

Berlaku untuk