private void btnSubmit_Click(object sender, RoutedEventArgs e) { try { string username = txtUserName.Text; user = new UserViewModel(); if (user.verify(username) != null) { user.removeUser(username); messageBox("User has been removed"); this.Frame.Navigate(typeof(MainPage)); } else { messageBox("Error!!! "); } } catch { messageBox("Error!!! cannot find user"); } txtUserName.Text = ""; }
private void Commandhandler(IUICommand cmd) { HistoryViewModel myHistory = null; var lable = cmd.Label; myHistory = new HistoryViewModel(); switch (lable) { case "Yes": try { string username = txtUserName.Text; user = new UserViewModel(); if (user.verify(username) != null) { user.removeUser(username); this.Frame.Navigate(typeof(MainPage1)); } else if(user.verify(username) == null) { lblDeleted.Text = "Username not found"; } } catch { //messageBox("Error!!! cannot find user"); } txtUserName.Text = ""; break; case "No": break; } }