private async Task InsertService() { if (ValidateInputs()) { ServiceInsertVM serviceInsertVM = new ServiceInsertVM() { Name = TbName.Text, Price = decimal.Parse(TbPrice.Text) }; ls.LblLoading.Text = "Adding"; ls.Show(); bool success = await serviceApi.InsertService(serviceInsertVM); ls.Close(); if (success) { Close(); } else { MessageBox.Show("Fail!"); } } else { MessageBox.Show("All input fields are required and price must be a number!"); } }