c#异常处理示例分享

using system;
using system.collections.generic;
using system.linq; using system.text;
//2014.3.14
namespace _6.异常
{
    class program
    {
        static void main(string[] args)
        {
            try
            {
                console.writeline("convert之前");
                int a = convert.toint32(console.readline());
                console.writeline("convert之后");
            }
            catch (exception ex)
            {
                console.writeline("输入错误："+ex.message+"异常堆栈："+ex.stacktrace);
            }

            try
            {
                console.writeline("请输入你的年龄：");
                int s = convert.toint32(console.readline());
                string desc = getagedesc(s);
                console.writeline(desc);
            }
            catch (exception ex)
            {
                console.writeline("数据错误，"+ex.message);
            }
             console.readkey();
        }

        static string getagedesc(int age)
        {
            if (age >= 0 && age <= 3)
            {
                return "婴幼儿";
            }
            else if (age > 3 && age < 18)
            {
                return "青少年";
            }
            else if (age >=18 && age < 60)
            {
                return "成年人";
            }
            else if (age >= 60 && age < 100)
            {
                return "老年人";
            }
            else
            {
                throw new exception("自己创建的ex.message");
            }
        }
    }
}