用ASP.NET还原与恢复SQL Server数据库_.NET教程_编程技术
需要注意的是还原，还原的时候问题最大了，有别的用户使用数据库的时候无法还原，解决办法就是在MASTER数据库中添加一个存储过程：
create proc killspid (@dbname varchar(20))
as
begin
declare @sql nvarchar(500)
declare @spid int
set @sql='declare getspid cursor for
select spid from sysprocesses where dbid=db_id('''+@dbname+''')'
exec (@sql)
open getspid
fetch next from getspid into @spid
while @@fetch_status<>-1
begin
exec('kill '+@spid)
fetch next from getspid into @spid
end
close getspid
deallocate getspid
end
GO
在还原之前先执行这个存储过程，需要传递dbname，就是你的数据库的名字。下边是类的原代码：（web.config里的数据库连接字符串是constr）
using System;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;
namespace web.base_class
{
/// <summary>
/// DbOper类,主要应用SQLDMO实现对Microsoft SQL Server数据库的备份和恢复
/// <summary>
public class DbOper
{
private string server;
private string uid;
private string pwd;
private string database;
private string conn;
/// <summary>
/// DbOper类的构造函数
/// <summary>
public DbOper()
{
conn=System.Configuration.ConfigurationSettings.AppSettings["constr"].ToString();
server=cut(conn,"server=",";");
uid=cut(conn,"uid=",";");
pwd=cut(conn,"pwd=",";");
database=cut(conn,"database=",";");
}
public string cut(string str,string bg,string ed)
{
string sub;
sub=str.Substring(str.IndexOf(bg)+bg.Length);
sub=sub.Substring(0,sub.IndexOf(";"));
return sub;
}
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