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WebPartManager.OnWebPartsConnecting Method

Raises the WebPartsConnecting event, which occurs during the process of establishing a connection between two WebPart or server or user controls contained in a WebPartZoneBase zone.

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

protected virtual void OnWebPartsConnecting(
	WebPartConnectionsCancelEventArgs e

The OnWebPartsConnecting method raises the WebPartsConnecting event, which occurs when two controls attempt to establish a connection. The method provides the opportunity to cancel the connection attempt. If the connection is successful, the WebPartsConnected event follows.

Page developers can provide a custom handler for the associated event by adding the OnWebPartsConnecting attribute to the <asp:webpartmanager> element on a Web page, and then assigning a custom method name to the attribute.

Notes to Inheritors

Developers who create derived WebPartManager classes can override the OnWebPartsConnecting method to customize the event handling.

.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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