Bagikan melalui

IRelationalCommand.ExecuteScalar Metode

  • Referensi

Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Storage
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Paket:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0
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
Paket:
Microsoft.EntityFrameworkCore.Relational v1.0.6

Overload

ExecuteScalar(RelationalCommandParameterObject)

Menjalankan perintah dengan satu hasil skalar.
ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>)

Menjalankan perintah dengan satu hasil skalar.
ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>, Boolean)
Kedaluwarsa.

Menjalankan perintah dengan satu hasil skalar.

ExecuteScalar(RelationalCommandParameterObject)

Menjalankan perintah dengan satu hasil skalar.

public object ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject parameterObject);
public object? ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject parameterObject);
abstract member ExecuteScalar : Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject -> obj
Public Function ExecuteScalar (parameterObject As RelationalCommandParameterObject) As Object

Parameter

parameterObject
RelationalCommandParameterObject

Parameter untuk metode ini.

Mengembalikan

Object

Hasil perintah.

Berlaku untuk

ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>)

Menjalankan perintah dengan satu hasil skalar.

public object ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues);
abstract member ExecuteScalar : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> -> obj
Public Function ExecuteScalar (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object)) As Object

Parameter

connection
IRelationalConnection

Koneksi yang akan dieksekusi.

parameterValues
IReadOnlyDictionary<String,Object>

Nilai untuk parameter.

Mengembalikan

Object

Hasil perintah.

Berlaku untuk

ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>, Boolean)

Perhatian

Use overload without 'manageConnection' parameter

Menjalankan perintah dengan satu hasil skalar.

public object ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues = default, bool manageConnection = true);
[System.Obsolete("Use overload without 'manageConnection' parameter")]
public object ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues, bool manageConnection);
abstract member ExecuteScalar : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * bool -> obj
[<System.Obsolete("Use overload without 'manageConnection' parameter")>]
abstract member ExecuteScalar : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * bool -> obj
Public Function ExecuteScalar (connection As IRelationalConnection, Optional parameterValues As IReadOnlyDictionary(Of String, Object) = Nothing, Optional manageConnection As Boolean = true) As Object
Public Function ExecuteScalar (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), manageConnection As Boolean) As Object

Parameter

connection
IRelationalConnection

Koneksi yang akan dieksekusi.

parameterValues
IReadOnlyDictionary<String,Object>

Nilai untuk parameter.

manageConnection
Boolean

Nilai yang menunjukkan apakah akan membuka dan menutup koneksi sesuai kebutuhan.

Mengembalikan

Object

Hasil perintah.

Atribut
ObsoleteAttribute

Berlaku untuk