/// <summary>
///
/// </summary>
/// <param name="synchronizationRoot"></param>
/// <returns></returns>
protected override DetailGrid CreateInstance(DetailGrid synchronizationRoot)
{
ArchiveUnboundDetailGrid grid = new ArchiveUnboundDetailGrid(this, synchronizationRoot);
grid.ControlManager = this.ControlManager.Clone() as IControlManager;
grid.SetGridPermissions();
//grid.DisplayManager = this.DisplayManager.Clone() as IDisplayManager;
grid.GridName = this.GridName;
grid.ControlManager.DisplayManager.BindingControls.Clear();
grid.ControlManager.DisplayManager.BindingControls.Add(grid);
// 如果用new CancelEventHandler(row_Saving)则相当于this.row_Saving，在事件处理程序中用this指的是Template
grid.ArchiveGridHelper.RowSaving += new System.ComponentModel.CancelEventHandler(grid.row_Saving);
grid.ControlManager.ListChanged += new ListChangedEventHandler(grid.m_cm_ListChanged);
return grid;
}