Bagikan melalui

SelectExpression.AddToProjection Metode

  • Referensi

Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Query.Expressions
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v1.0.6
Paket:
Microsoft.EntityFrameworkCore.Relational v1.1.6
Paket:
Microsoft.EntityFrameworkCore.Relational v2.0.3
Paket:
Microsoft.EntityFrameworkCore.Relational v2.1.11
Paket:
Microsoft.EntityFrameworkCore.Relational v2.2.6

Overload

AddToProjection(AliasExpression)

AliasExpression Menambahkan ke proyeksi.
AddToProjection(ColumnExpression)

Menambahkan ColumnExpression ke proyeksi.
AddToProjection(Expression)

Menambahkan ekspresi ke proyeksi.
AddToProjection(IProperty, IQuerySource)

Menambahkan kolom ke proyeksi.
AddToProjection(Expression, Boolean)

Menambahkan ekspresi ke proyeksi.
AddToProjection(String, IProperty, IQuerySource)

Menambahkan kolom ke proyeksi.

AddToProjection(AliasExpression)

AliasExpression Menambahkan ke proyeksi.

public virtual int AddToProjection (Microsoft.EntityFrameworkCore.Query.Expressions.AliasExpression aliasExpression);
abstract member AddToProjection : Microsoft.EntityFrameworkCore.Query.Expressions.AliasExpression -> int
override this.AddToProjection : Microsoft.EntityFrameworkCore.Query.Expressions.AliasExpression -> int
Public Overridable Function AddToProjection (aliasExpression As AliasExpression) As Integer

Parameter

aliasExpression
AliasExpression

Ekspresi alias.

Mengembalikan

Int32

Indeks terkait dari ekspresi yang ditambahkan di Projection.

Berlaku untuk

AddToProjection(ColumnExpression)

Menambahkan ColumnExpression ke proyeksi.

public virtual int AddToProjection (Microsoft.EntityFrameworkCore.Query.Expressions.ColumnExpression columnExpression);
abstract member AddToProjection : Microsoft.EntityFrameworkCore.Query.Expressions.ColumnExpression -> int
override this.AddToProjection : Microsoft.EntityFrameworkCore.Query.Expressions.ColumnExpression -> int
Public Overridable Function AddToProjection (columnExpression As ColumnExpression) As Integer

Parameter

columnExpression
ColumnExpression

Ekspresi kolom.

Mengembalikan

Int32

Indeks terkait dari ekspresi yang ditambahkan di Projection.

Berlaku untuk

AddToProjection(Expression)

Menambahkan ekspresi ke proyeksi.

public virtual int AddToProjection (System.Linq.Expressions.Expression expression);
abstract member AddToProjection : System.Linq.Expressions.Expression -> int
override this.AddToProjection : System.Linq.Expressions.Expression -> int
Public Overridable Function AddToProjection (expression As Expression) As Integer

Parameter

expression
Expression

Ekspresi.

Mengembalikan

Int32

Indeks terkait dari ekspresi yang ditambahkan di Projection.

Berlaku untuk

AddToProjection(IProperty, IQuerySource)

Menambahkan kolom ke proyeksi.

public virtual int AddToProjection (Microsoft.EntityFrameworkCore.Metadata.IProperty property, Remotion.Linq.Clauses.IQuerySource querySource);
abstract member AddToProjection : Microsoft.EntityFrameworkCore.Metadata.IProperty * Remotion.Linq.Clauses.IQuerySource -> int
override this.AddToProjection : Microsoft.EntityFrameworkCore.Metadata.IProperty * Remotion.Linq.Clauses.IQuerySource -> int
Public Overridable Function AddToProjection (property As IProperty, querySource As IQuerySource) As Integer

Parameter

property
IProperty

Properti EF yang sesuai.

querySource
Remotion.Linq.Clauses.IQuerySource

Sumber kueri asal.

Mengembalikan

Int32

Indeks terkait dari ekspresi yang ditambahkan di Projection.

Berlaku untuk

AddToProjection(Expression, Boolean)

Menambahkan ekspresi ke proyeksi.

public virtual int AddToProjection (System.Linq.Expressions.Expression expression, bool resetProjectStar);
public virtual int AddToProjection (System.Linq.Expressions.Expression expression, bool resetProjectStar = true);
abstract member AddToProjection : System.Linq.Expressions.Expression * bool -> int
override this.AddToProjection : System.Linq.Expressions.Expression * bool -> int
Public Overridable Function AddToProjection (expression As Expression, resetProjectStar As Boolean) As Integer
Public Overridable Function AddToProjection (expression As Expression, Optional resetProjectStar As Boolean = true) As Integer

Parameter

expression
Expression

Ekspresi.

resetProjectStar
Boolean

true untuk mengatur ulang nilai IsProjectStar.

Mengembalikan

Int32

Indeks terkait dari ekspresi yang ditambahkan di Projection.

Berlaku untuk

AddToProjection(String, IProperty, IQuerySource)

Menambahkan kolom ke proyeksi.

public virtual int AddToProjection (string column, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Remotion.Linq.Clauses.IQuerySource querySource);
abstract member AddToProjection : string * Microsoft.EntityFrameworkCore.Metadata.IProperty * Remotion.Linq.Clauses.IQuerySource -> int
override this.AddToProjection : string * Microsoft.EntityFrameworkCore.Metadata.IProperty * Remotion.Linq.Clauses.IQuerySource -> int
Public Overridable Function AddToProjection (column As String, property As IProperty, querySource As IQuerySource) As Integer

Parameter

column
String

Nama kolom.

property
IProperty

Properti EF yang sesuai.

querySource
Remotion.Linq.Clauses.IQuerySource

Sumber kueri asal.

Mengembalikan

Int32

Indeks terkait dari ekspresi yang ditambahkan di Projection.

Berlaku untuk