SPContext.Current.FormContext.OnSaveHandler not firing when SPControlMode is New
问题 I've got a web part that I'm using to add some custom controls to the New, Edit and Display forms for a SharePoint ListItem. I added a handler for SPContext.Current.FormContext.OnSaveHandler to update the item. I add my web part to the Edit and New forms using SharePoint Designer and hide (set IsVisible=False) for the DataFormWebPart that's put in by default. Everything works fine when editing an item. My OnSaveHandler function is called and I update the SPListItem. The problem is with a new