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EditorPartChrome.PerformPreRender Method

Performs tasks that must be done prior to rendering EditorPart controls.

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

public virtual void PerformPreRender()

The PerformPreRender method allows you to perform tasks that must be done during the PreRender event and cannot be done when the control is rendered, such as applying a style sheet to a control.

The following code example demonstrates how to override the PerformPreRender method to change the background color of the editor zone. For the full code required to run the example, including the Web page to host these controls, see the Example section of the EditorPartChrome class overview.

public override void PerformPreRender()
{
    Style zoneStyle = new Style();
    zoneStyle.BackColor = Color.Cornsilk;

    Zone.Page.Header.StyleSheet.RegisterStyle(zoneStyle, null);
    Zone.MergeStyle(zoneStyle);
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

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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