LoggerExtensions.LogError Method

Definition

Namespace:

Microsoft.Extensions.Logging

Assembly:

Microsoft.Extensions.Logging.Abstractions.dll

Package:

Microsoft.Extensions.Logging.Abstractions v9.0.0

Overloads

LogError(ILogger, EventId, Exception, String, Object[])	Formats and writes an error log message.
LogError(ILogger, Exception, String, Object[])	Formats and writes an error log message.
LogError(ILogger, EventId, String, Object[])	Formats and writes an error log message.
LogError(ILogger, String, Object[])	Formats and writes an error log message.

LogError(ILogger, EventId, Exception, String, Object[])

Source:

LoggerExtensions.cs

Formats and writes an error log message.

public:
[System::Runtime::CompilerServices::Extension]
 static void LogError(Microsoft::Extensions::Logging::ILogger ^ logger, Microsoft::Extensions::Logging::EventId eventId, Exception ^ exception, System::String ^ message, ... cli::array <System::Object ^> ^ args);

public static void LogError (this Microsoft.Extensions.Logging.ILogger logger, Microsoft.Extensions.Logging.EventId eventId, Exception? exception, string? message, params object?[] args);

static member LogError : Microsoft.Extensions.Logging.ILogger * Microsoft.Extensions.Logging.EventId * Exception * string * obj[] -> unit

<Extension()>
Public Sub LogError (logger As ILogger, eventId As EventId, exception As Exception, message As String, ParamArray args As Object())

Parameters

logger

ILogger

The ILogger to write to.

eventId

EventId

The event id associated with the log.

exception

Exception

The exception to log.

message

String

Format string of the log message in message template format. Example: "User {User} logged in from {Address}".

args

Object[]

An object array that contains zero or more objects to format.

Examples

logger.LogError(0, exception, "Error while processing request from {Address}", address)

LogError(ILogger, Exception, String, Object[])

Source:

LoggerExtensions.cs

Formats and writes an error log message.

public:
[System::Runtime::CompilerServices::Extension]
 static void LogError(Microsoft::Extensions::Logging::ILogger ^ logger, Exception ^ exception, System::String ^ message, ... cli::array <System::Object ^> ^ args);

public static void LogError (this Microsoft.Extensions.Logging.ILogger logger, Exception? exception, string? message, params object?[] args);

static member LogError : Microsoft.Extensions.Logging.ILogger * Exception * string * obj[] -> unit

<Extension()>
Public Sub LogError (logger As ILogger, exception As Exception, message As String, ParamArray args As Object())

Parameters

logger

ILogger

The ILogger to write to.

exception

Exception

The exception to log.

message

String

Format string of the log message in message template format. Example: "User {User} logged in from {Address}".

args

Object[]

An object array that contains zero or more objects to format.

Examples

logger.LogError(exception, "Error while processing request from {Address}", address)

LogError(ILogger, EventId, String, Object[])

Source:

LoggerExtensions.cs

Formats and writes an error log message.

public:
[System::Runtime::CompilerServices::Extension]
 static void LogError(Microsoft::Extensions::Logging::ILogger ^ logger, Microsoft::Extensions::Logging::EventId eventId, System::String ^ message, ... cli::array <System::Object ^> ^ args);

public static void LogError (this Microsoft.Extensions.Logging.ILogger logger, Microsoft.Extensions.Logging.EventId eventId, string? message, params object?[] args);

static member LogError : Microsoft.Extensions.Logging.ILogger * Microsoft.Extensions.Logging.EventId * string * obj[] -> unit

<Extension()>
Public Sub LogError (logger As ILogger, eventId As EventId, message As String, ParamArray args As Object())

Parameters

logger

ILogger

The ILogger to write to.

eventId

EventId

The event id associated with the log.

message

String

Format string of the log message in message template format. Example: "User {User} logged in from {Address}".

args

Object[]

An object array that contains zero or more objects to format.

Examples

logger.LogError(0, "Processing request from {Address}", address)

LogError(ILogger, String, Object[])

Source:

LoggerExtensions.cs

Formats and writes an error log message.

public:
[System::Runtime::CompilerServices::Extension]
 static void LogError(Microsoft::Extensions::Logging::ILogger ^ logger, System::String ^ message, ... cli::array <System::Object ^> ^ args);

public static void LogError (this Microsoft.Extensions.Logging.ILogger logger, string? message, params object?[] args);

static member LogError : Microsoft.Extensions.Logging.ILogger * string * obj[] -> unit

<Extension()>
Public Sub LogError (logger As ILogger, message As String, ParamArray args As Object())

Parameters

logger

ILogger

The ILogger to write to.

message

String

Format string of the log message in message template format. Example: "User {User} logged in from {Address}".

args

Object[]

An object array that contains zero or more objects to format.

Examples

logger.LogError("Processing request from {Address}", address)