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WebPartManager.WebPartsConnecting Event

Occurs during the process of creating a connection between WebPart controls (or server or user controls placed in a WebPartZoneBase zone).

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

public event WebPartConnectionsCancelEventHandler WebPartsConnecting
<asp:WebPartManager OnWebPartsConnecting="WebPartConnectionsCancelEventHandler" />

The WebPartsConnecting event is raised by the OnWebPartsConnecting method, and it signals that the connection process has begun (for example, a user has selected a control and clicked a connect verb), but is not yet completed. The event provides an opportunity to cancel a connection before it is complete. If the connection is successfully completed, this event is followed by the WebPartsConnected event.

Page developers can add a custom handler for the event by adding the OnWebPartsConnecting attribute to the <asp:webpartmanager> element, and assigning a custom method name to the attribute.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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