private async void RegisterButton_Clicked(object sender, EventArgs e) { if ((string.IsNullOrWhiteSpace(userNameEntry.Text)) || (string.IsNullOrWhiteSpace(passwordEntry.Text)) || (string.IsNullOrWhiteSpace(emailEntry.Text))) { await DisplayAlert("Warning", "All fields are required", "Ok"); } else if (!string.Equals(passwordEntry.Text, confirmPasswordEntry.Text)) { await DisplayAlert("Warning", "Passwords don't match", "Ok"); passwordEntry.Text = string.Empty; confirmPasswordEntry.Text = string.Empty; } else { var admin = new Admin_Table(); conn.CreateTable <Admin_Table>(); admin.AdminEmail = emailEntry.Text; admin.AdminUserName = userNameEntry.Text; admin.AdminPassword = passwordEntry.Text; var returnValue = helper.AddAdmin(userNameEntry.Text); if (returnValue) { conn.Insert(admin); await DisplayAlert("Success!", "New admin created", "Ok"); await Navigation.PopAsync(); } else { await DisplayAlert("Failure", "That Admin Username already exists", "OK"); warningLabel.IsVisible = false; emailEntry.Text = string.Empty; userNameEntry.Text = string.Empty; passwordEntry.Text = string.Empty; confirmPasswordEntry.Text = string.Empty; } } }