ILogger<T>
Defines the logging service.
public interface ILogger<T>Namespace
Methods
Debug (1 of 2)
Logs a debugging message.
public void Debug(string message)Parameters
| Parameter | Description |
|---|---|
|
message
|
A message.
|
Debug (2 of 2)
Logs a debug message.
public void Debug(string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Error (1 of 5)
Logs an error message with an exception.
public void Error(Exception exception, string message)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
|
message
|
A message.
|
Error (2 of 5)
Logs an error exception.
public void Error(Exception exception)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
Remarks
The message string is unspecified and is implementation-specific.
Error (3 of 5)
Logs an error message.
public void Error(string message)Parameters
| Parameter | Description |
|---|---|
|
message
|
A message.
|
Error (4 of 5)
Logs an error message with an exception.
public void Error(Exception exception, string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Error (5 of 5)
Logs an error message.
public void Error(string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Fatal (1 of 5)
Logs a fatal message with an exception.
public void Fatal(Exception exception, string message)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
|
message
|
A message.
|
Fatal (2 of 5)
Logs a fatal exception.
public void Fatal(Exception exception)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
Remarks
The message string is unspecified and is implementation-specific.
Fatal (3 of 5)
Logs a fatal message.
public void Fatal(string message)Parameters
| Parameter | Description |
|---|---|
|
message
|
A message.
|
Fatal (4 of 5)
Logs a fatal message with an exception.
public void Fatal(Exception exception, string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Fatal (5 of 5)
Logs a fatal message.
public void Fatal(string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Info (1 of 2)
Logs an information message.
public void Info(string message)Parameters
| Parameter | Description |
|---|---|
|
message
|
A message.
|
Info (2 of 2)
Logs a info message.
public void Info(string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
IsEnabled
Determines if logging is enabled at a specified level, for a reporting type.
public bool IsEnabled(LogLevel level)Parameters
| Parameter | Description |
|---|---|
|
level
|
The level.
|
Verbose (1 of 2)
Logs a verbose message.
public void Verbose(string message)Parameters
| Parameter | Description |
|---|---|
|
message
|
A message.
|
Verbose (2 of 2)
Logs a verbose message.
public void Verbose(string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Warn (1 of 4)
Logs a warning message.
public void Warn(string message)Parameters
| Parameter | Description |
|---|---|
|
message
|
A message.
|
Warn (2 of 4)
Logs a warning message.
public void Warn(string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Warn (3 of 4)
Logs a warning message with an exception.
public void Warn(Exception exception, string message)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
|
message
|
A message.
|
Warn (4 of 4)
Logs a warning message with an exception.
public void Warn(Exception exception, string messageTemplate, params object[] propertyValues)Parameters
| Parameter | Description |
|---|---|
|
exception
|
An exception.
|
|
messageTemplate
|
A message template.
|
|
propertyValues
|
Property values.
|
Remarks
Message templates in logging methods follow the Message Templates specification available at https://messagetemplates.org/ in order to support structured logging.
Implementations must ensure that they support these templates. Note that the specification includes support for traditional C# numeric placeholders.
For instance, "Processed in ms."