DbCommandInterceptor.CommandFailedAsync 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Diagnostics

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v8.0.0

當命令執行失敗時呼叫，但發生例外狀況。

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

命令和執行的相關內容資訊。

cancellationToken

CancellationToken

等候 CancellationToken 工作完成時要觀察的 。

傳回

Task

代表非同步作業的 Task。

實作

CommandFailedAsync(DbCommand, CommandErrorEventData, CancellationToken)

例外狀況

OperationCanceledException

如果取消 CancellationToken。