void del( ) { result = _bll.Delete(_dc.DC001, Logins.username); if (result) { MessageBox.Show("删除成功"); UnEnable( ); Clear( ); toolSelect.Enabled = toolAdd.Enabled = true; toolSave.Enabled = toolCancel.Enabled = toolDelete.Enabled = toolUpdate.Enabled = toolReview.Enabled = toolPrint.Enabled = toolExport.Enabled = toolMaintain.Enabled = toolcopy.Enabled = toolLibrary.Enabled = toolStorage.Enabled = false; } else { MessageBox.Show("删除失败,请重试"); } }