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ScriptManager.OnPreRender Method

Raises the PreRender event, and registers script files and services for partial-page updates.

Namespace:  System.Web.UI
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

protected internal override void OnPreRender(
	EventArgs e


Type: System.EventArgs

The event data.


The browser that made the partial-page request does not support at least DOM Level 1.0.

For information about the DOM, see the Document Object Model (DOM) Level 1 Specification on the World Wide Web Consortium (W3C) Web site.

Notes to Inheritors

When overriding this method, call the base OnPreRender method so that script blocks and services are correctly handled for partial-page rendering.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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