private void LoginsimpleButton_Click(object sender, EventArgs e) { userSetting = InitialMethod.UserSettings(); if (AccounttextEdit.Text == userSetting[0].UserName) { if (PasswordtextEdit.Text == userSetting[0].UserPassWord) { mainForm.navigationFrame.SelectedPageIndex = 1; } else { FlyoutAction action = new FlyoutAction(); action.Description = "密碼錯誤!"; action.Commands.Add(FlyoutCommand.OK); { FlyoutDialog.Show(FindForm(), action); }; } } else { FlyoutAction action = new FlyoutAction(); action.Description = "帳號密碼錯誤!"; action.Commands.Add(FlyoutCommand.OK); { FlyoutDialog.Show(FindForm(), action); }; } }