AX2012 去掉浮点数后面的0

static void Job116(Args _args)
{
    str         string1;
    real        num1;
    ;

    num1 = 0.00;
    string1 = System.String::Format("{0:G29}", num1);
    info(string1); // 0

    num1 = 15.00000;
    string1 = System.String::Format("{0:G29}", num1);
    info(string1); // 15

    num1 = 15.12300;
    string1 = System.String::Format("{0:G29}", num1);
    info(string1); // 15.123
}