DbCommandInterceptor.CommandFailedAsync 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Diagnostics

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v8.0.0

在命令执行失败并出现异常时调用。

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

参数

command

DbCommand

命令。

eventData

CommandErrorEventData

有关命令和执行的上下文信息。

cancellationToken

CancellationToken

等待 CancellationToken 任务完成时要观察的 。

返回

Task

表示异步操作的 Task。

实现

CommandFailedAsync(DbCommand, CommandErrorEventData, CancellationToken)

例外

OperationCanceledException

如果已取消 CancellationToken。