IRelationalCommand.ExecuteScalar Method
Definition
Important
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Overloads
| ExecuteScalar(RelationalCommandParameterObject) |
Executes the command with a single scalar result. |
| ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>) |
Executes the command with a single scalar result. |
| ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>, Boolean) |
Obsolete.
Executes the command with a single scalar result. |
ExecuteScalar(RelationalCommandParameterObject)
- Source:
- IRelationalCommand.cs
- Source:
- IRelationalCommand.cs
- Source:
- IRelationalCommand.cs
- Source:
- IRelationalCommand.cs
Executes the command with a single scalar result.
public object ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject parameterObject);public object? ExecuteScalar (Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject parameterObject);abstract member ExecuteScalar : Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject -> objPublic Function ExecuteScalar (parameterObject As RelationalCommandParameterObject) As ObjectParameters
- parameterObject
- RelationalCommandParameterObject
Parameters for this method.
Returns
The result of the command.
Applies to
ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>)
Executes the command with a single scalar result.
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> -> objPublic Function ExecuteScalar (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object)) As ObjectParameters
- connection
- IRelationalConnection
The connection to execute against.
- parameterValues
- IReadOnlyDictionary<String,Object>
The values for the parameters.
Returns
The result of the command.
Applies to
ExecuteScalar(IRelationalConnection, IReadOnlyDictionary<String,Object>, Boolean)
Caution
Use overload without 'manageConnection' parameter
Executes the command with a single scalar result.
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 -> objPublic Function ExecuteScalar (connection As IRelationalConnection, Optional parameterValues As IReadOnlyDictionary(Of String, Object) = Nothing, Optional manageConnection As Boolean = true) As ObjectPublic Function ExecuteScalar (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), manageConnection As Boolean) As ObjectParameters
- connection
- IRelationalConnection
The connection to execute against.
- parameterValues
- IReadOnlyDictionary<String,Object>
The values for the parameters.
- manageConnection
- Boolean
A value indicating whether to open and close the connection as needed.
Returns
The result of the command.
- Attributes
Applies to
Entity Framework