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IRelationalCommand.ExecuteScalar Yöntem

  • Başvuru

Tanım

Ad Alanı:
Microsoft.EntityFrameworkCore.Storage
Bütünleştirilmiş Kod:
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 v9.0.0
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

Aşırı Yüklemeler

ExecuteScalar(RelationalCommandParameterObject)

Komutu tek bir skaler sonuçla yürütür.
ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>)

Komutu tek bir skaler sonuçla yürütür.
ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>, Boolean)
Geçersiz.

Komutu tek bir skaler sonuçla yürütür.

ExecuteScalar(RelationalCommandParameterObject)

Kaynak:
IRelationalCommand.cs
Kaynak:
IRelationalCommand.cs
Kaynak:
IRelationalCommand.cs
Kaynak:
IRelationalCommand.cs

Komutu tek bir skaler sonuçla yürütür.

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

Parametreler

parameterObject
RelationalCommandParameterObject

Bu yöntemin parametreleri.

Döndürülenler

Object

Komutun sonucu.

Şunlara uygulanır

ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>)

Komutu tek bir skaler sonuçla yürütür.

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

Parametreler

connection
IRelationalConnection

Yürütülecek bağlantı.

parameterValues
IReadOnlyDictionary<String,Object>

Parametrelerin değerleri.

Döndürülenler

Object

Komutun sonucu.

Şunlara uygulanır

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

Dikkat

Use overload without 'manageConnection' parameter

Komutu tek bir skaler sonuçla yürütür.

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

Parametreler

connection
IRelationalConnection

Yürütülecek bağlantı.

parameterValues
IReadOnlyDictionary<String,Object>

Parametrelerin değerleri.

manageConnection
Boolean

Gerektiğinde bağlantının açılıp kapatılmayacağını belirten bir değer.

Döndürülenler

Object

Komutun sonucu.

Öznitelikler
ObsoleteAttribute

Şunlara uygulanır