Displays an error message in the list with the specified writer, request, category, exception, message format and argument.
Namespace: System.Web.Http.Tracing
Assembly: System.Web.Http (in System.Web.Http.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Sub Error ( _
traceWriter As ITraceWriter, _
request As HttpRequestMessage, _
category As String, _
exception As Exception, _
messageFormat As String, _
ParamArray messageArguments As Object() _
)
'Usage
Dim traceWriter As ITraceWriter
Dim request As HttpRequestMessage
Dim category As String
Dim exception As Exception
Dim messageFormat As String
Dim messageArguments As Object()
traceWriter.Error(request, category, _
exception, messageFormat, messageArguments)
public static void Error(
this ITraceWriter traceWriter,
HttpRequestMessage request,
string category,
Exception exception,
string messageFormat,
params Object[] messageArguments
)
[ExtensionAttribute]
public:
static void Error(
ITraceWriter^ traceWriter,
HttpRequestMessage^ request,
String^ category,
Exception^ exception,
String^ messageFormat,
... array<Object^>^ messageArguments
)
static member Error :
traceWriter:ITraceWriter *
request:HttpRequestMessage *
category:string *
exception:Exception *
messageFormat:string *
messageArguments:Object[] -> unit
public static function Error(
traceWriter : ITraceWriter,
request : HttpRequestMessage,
category : String,
exception : Exception,
messageFormat : String,
... messageArguments : Object[]
)
Parameters
traceWriter
Type: System.Web.Http.Tracing.ITraceWriterThe ITraceWriter.
request
Type: HttpRequestMessageThe HttpRequestMessage with which to associate the trace. It may be null.
category
Type: System.StringThe logical category of the trace.
exception
Type: System.ExceptionThe exception.
messageFormat
Type: System.StringThe format of the message.
messageArguments
Type: System.Object[]The argument in the message.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type ITraceWriter. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.108) or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).