Control.Context 属性
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
为当前 Web 请求获取与服务器控件关联的 HttpContext 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.HttpContextProtected Overridable ReadOnly Property Context As HttpContextProtected Friend Overridable ReadOnly Property Context As HttpContext属性值
与当前请求关联的指定 HttpContext 对象。
- 属性
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Application当前 SessionRequestResponse HTTP 请求信息的属性、对象和其他对象。 它还提供用于获取配置信息并设置或清除请求错误的方法。