WebPartPersonalization.SetDirty Method ()
Marks the parent WebPartManager control as having personalization data that has changed (is "dirty").
Assembly: System.Web (in System.Web.dll)
If the IsEnabled property is set to true, this method marks the parent WebPartManager control as "dirty". Depending on the implementation details of the WebPartManager control's instance of WebPartPersonalization, this method might invoke security checks and code access security permission checks. Internally, this method calls the SetWebPartManagerDirty method.
Available since 2.0