摘要:
获取(.)点前一个字符string s = "123_u.jpg";string strKzm = s.Substring(s.LastIndexOf(".")-1);//获取文件扩展名string strImgNo1 = strKzm.Substring(0, 1);Response.Write(strImgNo1);计算字符串字节大小string str = "ABC";int s= Syst... 阅读全文
摘要:
using System;using System.Data;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using ... 阅读全文