GridViewExcel.Attributes.Add("style", "word-break:keep-all;word-wrap:normal"); 正常换行
GridViewExcel.Attributes.Add("style", "word-break:break-all;word-wrap:break-word"); 自动换行
GridViewExcel.Attributes.Add("style", "word-break:keep-all;word-wrap:normal"); 正常换行
GridViewExcel.Attributes.Add("style", "word-break:break-all;word-wrap:break-word"); 自动换行