DataTable dr = new DataTable() //dr.Rows[i - 1]["ruleNi"为一个单元格
str = string.Format("{0}≤{1}<{2}每{3}%调整{4}", b, a, c, d, e);
str = string.Format("≤{0}每{1}%调整{2}", c, d, e);
dr.Rows[i - 1]["ruleNi"] += str +"\r\n"; //每次循环加一行数据
DataTable dr = new DataTable() //dr.Rows[i - 1]["ruleNi"为一个单元格
str = string.Format("{0}≤{1}<{2}每{3}%调整{4}", b, a, c, d, e);
str = string.Format("≤{0}每{1}%调整{2}", c, d, e);
dr.Rows[i - 1]["ruleNi"] += str +"\r\n"; //每次循环加一行数据