DbConnectionInterceptor.ConnectionFailedAsync 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

開啟連線失敗且發生例外狀況時呼叫。

public virtual System.Threading.Tasks.Task ConnectionFailedAsync (System.Data.Common.DbConnection connection, Microsoft.EntityFrameworkCore.Diagnostics.ConnectionErrorEventData eventData, System.Threading.CancellationToken cancellationToken = default);

abstract member ConnectionFailedAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.ConnectionErrorEventData * System.Threading.CancellationToken -> System.Threading.Tasks.Task
override this.ConnectionFailedAsync : System.Data.Common.DbConnection * Microsoft.EntityFrameworkCore.Diagnostics.ConnectionErrorEventData * System.Threading.CancellationToken -> System.Threading.Tasks.Task

Public Overridable Function ConnectionFailedAsync (connection As DbConnection, eventData As ConnectionErrorEventData, Optional cancellationToken As CancellationToken = Nothing) As Task

參數

connection

DbConnection

連接。

eventData

ConnectionErrorEventData

連線的相關內容資訊。

cancellationToken

CancellationToken

CancellationToken等候工作完成時要觀察的 。

傳回

Task

代表非同步作業的 Task。

實作

ConnectionFailedAsync(DbConnection, ConnectionErrorEventData, CancellationToken)

例外狀況

OperationCanceledException

如果取消 CancellationToken。