private string validate()
{
StringBuilder builder = new StringBuilder();
TextBoxValidator validator = new TextBoxValidator();
validator.append(builder, validator.checkValidLength(service_name.Text.Trim(), 50, "Название услуги"));
validator.append(builder, validator.isValidDoubleValue(prices.Text.Trim(), "Ценник"));
if (String.IsNullOrEmpty(builder.ToString()))
{
return(null);
}
return(builder.ToString());
}
