Request对象获得地址栏中加密的查询字符串

string direct = "../Search/Quick_CompanyListPro.aspx?Keyword="+Server.UrlEncode(TextBox_Name.Text.Trim());//对查询字符串进行加密
          Response.Redirect(direct); 

//对查询字符串进行解密.

//Request对象获得地址栏中加密的查询字符串

string strKeyword=Server.UrlDecode(Request["Keyword"]);