DbConnection.StateChange 事件

  • 參考

定義

命名空間:
System.Data.Common
組件:
System.Data.Common.dll
組件:
System.Data.dll
組件:
netstandard.dll
來源:
DbConnection.cs
來源:
DbConnection.cs
來源:
DbConnection.cs

當連線的狀態變更時發生。

public:
 virtual event System::Data::StateChangeEventHandler ^ StateChange;
public virtual event System.Data.StateChangeEventHandler StateChange;
public virtual event System.Data.StateChangeEventHandler? StateChange;
member this.StateChange : System.Data.StateChangeEventHandler 
Public Overridable Custom Event StateChange As StateChangeEventHandler

事件類型

StateChangeEventHandler

備註

當連接的狀態從關閉變更為已開啟或從已開啟變更為已關閉時，就會發生此 StateChange 事件。

適用於

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