相关疑难解决方法(0)

我在字符串中添加换行符时遇到问题.我尝试过使用"\ r \n",而Environment.NewLine也不起作用.

FirmNames = "";

foreach (var item in FirmNameList)
{
    if (FirmNames != "")
    {
       FirmNames += ", " + LineBreak;  -- I want a line break here after the comma ","
    }

    FirmNames += item;
}

有人可以帮忙吗？