Control.Context 属性

定义

命名空间:
System.Web.UI
程序集:
System.Web.dll

HttpContext获取与当前 Web 请求的服务器控件关联的对象。

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

属性值

HttpContext

与当前请求关联的指定 HttpContext 对象。

属性
BrowsableAttribute

示例

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

注解

此属性允许你访问 HttpContext 当前 Web 请求的对象。 该对象提供访问 > 的属性，以及包含有关当前 HTTP 请求的信息的其他对象。 它还提供了一种方法，使你能够获取配置信息并设置或清除请求的错误。

适用于

另请参阅