List<string> djbhList = new List<string>();
djbhList.Add("JRKBZF00000151");
djbhList.Add("JRKZDA00000152");
djbhList.Add("JRKZDA00000153");
//此方法
string.Join(",", djbhList.ToArray());
//得到结果为
//"JRKBZF00000151,JRKZDA00000152,JRKZDA00000153"
//此方法
string.Join(",", djbhList.Select(x => "'" + x + "'").ToArray());
//得到结果为
//"'JRKBZF00000151','JRKZDA00000152','JRKZDA00000153'"
从网易博客(http://cxwstar.blog.163.com/blog/static/48468763201572777423/)迁移,原发表于2015年8月27日.