Control.Context 屬性

定義

命名空間:
System.Web.UI
組件:
System.Web.dll

取得 HttpContext 與伺服器控制項相關聯的物件，用於目前的網頁請求。

protected:
 virtual property System::Web::HttpContext ^ Context { System::Web::HttpContext ^ get(); };
protected public:
 virtual property System::Web::HttpContext ^ Context { System::Web::HttpContext ^ get(); };
[System.ComponentModel.Browsable(false)]
protected virtual System.Web.HttpContext Context { get; }
[System.ComponentModel.Browsable(false)]
protected internal virtual System.Web.HttpContext Context { get; }
[<System.ComponentModel.Browsable(false)>]
member this.Context : System.Web.HttpContext
Protected Overridable ReadOnly Property Context As HttpContext
Protected Friend Overridable ReadOnly Property Context As HttpContext

屬性值

HttpContext

與當前請求相關的指定 HttpContext 物件。

屬性
BrowsableAttribute

範例

protected override bool OnBubbleEvent(object sender, EventArgs e)
{

   // Use the Context property to write text to the TraceContext object
   // associated with the current request.
   Context.Trace.Write("The ParentControl's OnBubbleEvent method is called.");
   Context.Trace.Write("The Source of event is: " + sender.ToString());

   return true;
}

<System.Security.Permissions.PermissionSetAttribute( _
    System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
Protected Overrides Function OnBubbleEvent(ByVal sender As Object, ByVal e As EventArgs) As Boolean

    ' Use the Context property to write text to the TraceContext object
    ' associated with the current request.         
    Context.Trace.Write("The ParentControl's OnBubbleEvent method is called.")
    Context.Trace.Write("The Source of event is: " + sender.ToString())

    Return True
End Function 'OnBubbleEvent

備註

這個屬性讓你能存取 HttpContext 目前的 Web 請求物件。 該物件提供存取 Application、 、 SessionRequest及Response其他包含當前 HTTP 請求資訊的物件的屬性。 它也提供方法，讓你取得設定資訊，並設定或清除請求錯誤。

適用於

另請參閱