Over the past few days, some of our users have reported to us that they encountered an error message. An exception (short for “extraordinary event”) is an error and an event that occurs unexpectedly during program execution. On on blocking, if it occurs, aborts the thread in the same way as the program. Other languages ​​use detection exceptions for basic instruction errors, such as disk allocation errors or system-level errors.

public: virtual property system::string ^ message System::String ^ get(); virtual ;

What causes exception error?

The exception is usually an error caused by circumstances beyond the program’s control. A RuntimeException is typically thrown by an error in program evaluation, such as a reference to a non-existent object, or (nullpointerexception ) using an invalid array index (ArrayIndexOutOfBounds ).

public loop Message This is get; 
member.Message: string

error exception message

Messaging public, replaceable, and read-only properties as a string

Property value


How do I write an exception message?

Write as many release messages as you can; short Perhaps if sentence structure, correct punctuation and correct spelling are ignored.Write loving bug reports to end users.

The error message is clear with the reason for the exception, or an empty string (“”).



What is a exception text?

exceptional texts. Each exception is associated with text, which can be criteriad via attributes, and which, I would say, describes the exception. This highlighted text is highlightedAppears in a short dump of our own run-time error, an exception when not handled.

The following example throws a strong Exception, then catches and displays the full text message of the exception using the Message property.

// for example Exception::HelpLink, properties exception::source,// Exception::StackTrace and Exception::TargetSite.with the system;NDP_UE_CPP namespace // outputEach exception to; The constructor sets up the HelpLink // original properties. reference class LogTableOverflowException: public public exception Private: static String^ = overflowMessage Log "The table is full."; Public: LogTableOverflowException string(auxmessage, ^exception^internal) :Exception( String::Format("0 - 1", overflowMessage, auxMessage), inside) this->HelpLink is "https://docs.microsoft.com"; this->Source = "Exception_Class_Samples"; ; Community Reference Local Class LogTable Public: Log table (number of elements) logArea = gcnew array(numElements); elementUsage = 0; protected: array^logArea; interval elemInUse; Public: // The AddRecord method returns the derived difference if // Array limits are actually caught by the exception. int AddRecord(string ^ new record) To attempt logArea[ ] elemInUse = newRecord; return elementInUse++; hold (Exception ^ Example) boost gcnew LogTableOverflowException( String::Format( "Record "0" was never saved. NewRecord ", ),ex ); ; // Create a file table and call an overflow. cancel ForceOverflow() LogTable^ log = LogTable( gcnew plook at ); To attempt (for int level = 1; ; count++) log->AddRecord(String::Format("Batch of log records 0", count)); detect (exception^ex) Console::WriteLine( ---n0", "nmessage ex->Message ); Console::WriteLine( "nHelpLink ---n0", ex->HelpLink ); Console::WriteLine( "nSource ---n0", ex->Source ); Console::WriteLine( "nStackTrace ---n0", ex->StackTrace ); Console::WriteLine( "nTargetSite ---n0", ex->TargetSite->ToString() ); interior() Console::WriteLine( "This example is for n Exception::Message, n" Centimeters Exception::HelpLink, n Exception::Source, n" "Exception::StackTrace and nException::" "TargetSitencreates upcoming output." ); Example ndp_ue_cpp::forceoverflow();/*what from exception:: message, Exception: HelpLink, exception::source, Exception::StackTrace and Exception:: Targetsiteproduces any subsequent output.---pokerThe news desk has overflowing magazines. - Dataset "Variety of log dataset, 5" large has not been saved.Help link ---https://docs.microsoft.---Exception_Class_SamplesStackTrace.com--- source NDP_UE_CPP to.LogTable.AddRecord(string newRecord) NDP_UE_CPP ForceOverflow()Landing or Page ---Int32 AddRecord(System.String)*/ // Example Exception.HelpLink, Exception.Source,// Exception.StackTrace and Exception.TargetSite properties.with the system;Pro NDP_UE_CS space{ names // Throw this exception; constructor defines HelpLink and // original properties. exception class: logtableoverflowexception const string overflowMessage = "The displayed table is overflowing."; public exception LogTableOverflowException ( auxMessage loop, inner exception): base(String.Format("0 1", - auxMessage overflowMessage, ), internal ) this.HelpLink = "https://docs.microsoft.com"; This .Source is "Exception_Class_Samples"; log table Class { Consumer Log Table (int numElements)

What is an exception message in JavaScript?

The error thought to explain exceptions, cause or the first line ("") is empty. The following code example also creates and catches an Exception using the Message property to display a text message about the exception.

Mensagem De Exceção De Erro
오류 예외 메시지
Fout Uitzonderingsbericht
Message D'exception D'erreur
Mensaje De Excepción De Error
Messaggio Di Eccezione Di Errore
Komunikat O Wyjątku Błędu
Сообщение об ошибке
Felmeddelande Om Undantag