Control.Context 屬性

定義

命名空間:

System.Web.UI

組件:

System.Web.dll

取得與目前 Web 要求的伺服器控制項關聯的 HttpContext 物件。

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

與目前要求相關之指定的 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

這個屬性可讓您存取 HttpContext 目前 Web 要求的 物件。 物件提供屬性，這些屬性會存取 Application 、 Session 、 Response Request 和其他物件，其中包含目前 HTTP 要求的相關資訊。 它也提供方法，可讓您取得設定資訊，並設定或清除要求的錯誤。

另請參閱

• HttpContext
• HttpApplication
• HttpServerUtility
• HttpRequest
• HttpResponse