asp.net|问题|页面
1.<globalization 
            requestEncoding="gb2312" 
            responseEncoding="gb2312" 
   />
或者
<META http-equiv="content-type" content="text/html; charset=gb2312">
2.下载文件时指定文件名,中文的文件名出现了乱码?
Response.AddHeader("Content-Disposition", "attachment; filename="+HttpUtility.UrlEncoding(filename.ToString ()));
3.如何识别字符串中是否包含韩文
http://search.csdn.net/Expert/topic/2456/2456407.xml?temp=.5485498
如果只有英文和韩文
/*******该函数返回字符串中除英文外的字符*********/
create function test(a varchar(20))
returns varchar(20)
as
begin
   declare b varchar(20),i int
   set b = ''
   set i = 1
   while i<= len(a)
   begin
       if Upper(substring(a,i,1)) not between 'A' and 'Z'
           set b = b + substring(a,i,1)
 set i = i+1
   end
   return b
end
Select dbo.test('aabc12dsa451')
                     
-------------------- 
12451
(所影响的行数为 1 行)
--1.有关多国文字的,一定要用UNICODE判断!
--2.韩文UNICODE分两断: 12592->12687  44032->55203 
相关网站:http://www.buja.8u8.com/eeeeee.htm
create function hw(str Nvarchar(100))
returns int
as
begin
declare a int
set a=0
while str<>'' and a=0
  begin
  set a=(case when unicode(left(str,1)) between 12592 and 12687 
                 or unicode(left(str,1)) between 44032 and 55203 
               then 1 
               else 0 end)
  set str=right(str,len(str)-1)
  end
return a
end  
--调用:
declare a nvarchar(100)
set a=N'abc中갃国123'
select dbo.hw(a)
--return: 1
set a=N'abc中国123'
select dbo.hw(a)
--return: 0
4.为什么文件读出来的中文字符是乱码?
System.IO.StreamReader m_fs = System.IO.File.OpenText(Hfile_SelectFile.Value);
改为
System.IO.StreamReader m_fs = new System.IO.StreamReader(Hfile_SelectFile.Value,System.Text.Encoding.GetEncoding("gb2312"));
5.JMAIL 发邮件附件或者没有或者在正文中是乱码
http://community.csdn.net/Expert/topic/3172/3172047.xml?temp=.3463404
6.怎么解决查询字符串中文乱码问题?
查询内容用Server.UrlEncode编码
string url ="http://localhost/test/test.aspx?a="+ Server.UrlEncode("张三");
解
-->Server.UrlDecode()
 
  
 
 
  
