private void MenuItem_Click(object sender, RoutedEventArgs e) { InputMoney im = new InputMoney(); im.name.Text = this.name.Content.ToString(); im.name.IsEnabled = false; string u = name.Content.ToString(); double pri = UserPanelController.Handler().DBControllerByName(u).PrincipalRead(); im.money.Text = pri.ToString(); im.ShowDialog(); double now = UserPanelController.Handler().DBControllerByName(u).NowMoneyRead(); if (im.m == 0) { return; } if (pri - im.m > now) { MessageBox.Show("最低本金设置为:" + (pri - now).ToString()); return; } this.pri.Content = "本金:" + im.m; UserPanelController.Handler().DBControllerByName(u).PrincipalChange(im.m - pri); MainWindow.ShowNotifyMessage("成功修改本金\n账户名:" + u + "本金:" + im.m); }