This documentation is archived and is not being maintained.

Content.ContentPlaceHolderID Property

Gets or sets the ID of the ContentPlaceHolder control that is associated with the current content.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)

public string ContentPlaceHolderID { get; set; }
/** @property */
public String get_ContentPlaceHolderID ()

/** @property */
public void set_ContentPlaceHolderID (String value)

public function get ContentPlaceHolderID () : String

public function set ContentPlaceHolderID (value : String)

Not applicable.

Property Value

A string containing the ID of the ContentPlaceHolder associated with the current content. The default is an empty string ("").

Exception typeCondition


An attempt was made to set the property at run time.

All content that is encapsulated by the Content control renders within the referenced ContentPlaceHolder control in a master page. A Content control is not added to the control hierarchy at runtime.

This property cannot be set by themes or style sheet themes. For more information, see ThemeableAttribute and Introduction to ASP.NET Themes.

The following code example shows how to use the ContentPlaceHolderID property of a ContentPlaceHolder control in an ASP.NET Web page.

This code example is part of a larger example provided for the Content class.

<%@ Page Language="C#" MasterPageFile="~/MasterPageSample_1cs.master" Title="Content Page"%>

    contentplaceholderid="ContentPlaceHolder1" >Hello, Master Pages!</asp:content>

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0