C# - 获取引发异常的行号

using System;

namespace ExceptionExample
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                TestMethod();
            }
            catch (Exception ex)
            {
                Console.WriteLine("异常信息：" + ex.Message);
                Console.WriteLine("异常行号：" + GetExceptionLineNumber(ex));
            }
        }

        static void TestMethod()
        {
            throw new Exception("这是一个测试异常");
        }

        static int GetExceptionLineNumber(Exception ex)
        {
            System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace(ex, true);
            System.Diagnostics.StackFrame sf = st.GetFrame(0);
            return sf.GetFileLineNumber();
        }
    }
}