DbCommandInterceptor.CommandFailedAsync 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Diagnostics

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v10.0.0

來源:

DbCommandInterceptor.cs

當指令執行失敗且有例外時呼叫。

public virtual System.Threading.Tasks.Task CommandFailedAsync(System.Data.Common.DbCommand command, Microsoft.EntityFrameworkCore.Diagnostics.CommandErrorEventData eventData, System.Threading.CancellationToken cancellationToken = default);

abstract member CommandFailedAsync : System.Data.Common.DbCommand * Microsoft.EntityFrameworkCore.Diagnostics.CommandErrorEventData * System.Threading.CancellationToken -> System.Threading.Tasks.Task
override this.CommandFailedAsync : System.Data.Common.DbCommand * Microsoft.EntityFrameworkCore.Diagnostics.CommandErrorEventData * System.Threading.CancellationToken -> System.Threading.Tasks.Task

Public Overridable Function CommandFailedAsync (command As DbCommand, eventData As CommandErrorEventData, Optional cancellationToken As CancellationToken = Nothing) As Task

參數

command

DbCommand

命令。

eventData

CommandErrorEventData

關於指令與執行的上下文資訊。

cancellationToken

CancellationToken

A CancellationToken 在等待任務完成時觀察。

傳回

Task

表示異步操作的 Task。

實作

CommandFailedAsync(DbCommand, CommandErrorEventData, CancellationToken)

例外狀況

OperationCanceledException

如果取消了 CancellationToken 。