ASP.NET防止SQL注入函数
ASP.NET防止SQL注入函数:
using System;
using System.Text.RegularExpressions;
using System.Web;
namespace FSqlKeyWord
......{
/**//**//**//// <summary>
/// SqlKey 的摘要说明。
/// </summary>
public class SqlKey
......{
private HttpRequest request;
private const string StrKeyWord = @"select|insert|delete|from|count(|drop table|update|truncate|asc(|mid(|char(|xp_cmdshell|exec master|netlocalgroup administrators|:|net user|""|or|and";
private const string StrRegex = @"[-|;|,|/|(|)|[|]|}|{|%|@|*|!|']";
public SqlKey(System.Web.HttpRequest _request)
......{
//
// TODO: 在此处添加构造函数逻辑
//
this.request = _request;
}
/**//**//**//// <summary>
/// 只读属性 SQL关键字
/// </summary>
public static string KeyWord
......{
get
......{
return StrKeyWord;
}
}
&nbs
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access表示为：#1981-28-12#
SQLSERVER2000表示为：''1981-02-12''
2,SQL语句区别，select ,update 在对单表操作时都差不多，
但多表操作时update语句的区别ACCESS与SQLSERVER中的Update语句对比:
SQLSERVER中更新多表的Update语句:
Update Tab1
SET a.Name = b.Name
from Tab1 a,Tab2 b
Whe ......
查看回收站中表
select object_name,original_name,partition_name,type,ts_name,createtime,droptime from recyclebin;
恢复表
SQL>flashback table test_drop to before drop;或
SQL>flashback table "BIN$b+XkkO1RS5K10uKo9BfmuA==$0" to before drop;
......
表stuinfo，有三个字段recno(自增),stuid,stuname
建该表的Sql语句如下：
CREATE TABLE [StuInfo] (
[recno] [int] IDENTITY (1, 1) NOT NULL ,
[stuid] [varchar] (10) COLLATE Chinese_PRC_CI_AS NOT NULL ,
[stuname] [varchar] (10) COLLATE Chinese_PRC_CI_AS NOT NULL
) ON [PRIMARY]
GO
1.--查某一� ......
/// <summary>
/// 返回分页SQL语句
/// </summary>
/// <param name="selectSql">查询SQL语句</param>
/// ......
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