winform程序备份和还原数据库
小妹做了一个winform系统，需要对sql2000数据库备份和还原
备份的代码如下：
/// <summary>
/// 数据库备份
/// </summary>
public static int DbBackup(string serverip, string username, string psw, string path)
{
int ret;
SQLDMO.Backup oBackup = new SQLDMO.BackupClass();
SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
try
{
oSQLServer.LoginSecure = false;
oSQLServer.Connect(serverip, username, psw);
oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database;
oBackup.Database = "BookLibrarySystem";
oBackup.Files = path + "\\BookLibrarySystem.bak"; ;
oBackup.BackupSetName = "BookLibrarySystem";
oBackup.BackupSetDescription = "数据库备份";
oBackup.Initialize = true;
oBackup.SQLBackup(oSQLServer);
ret = 1;
}
catch
{
ret = 0;
throw;
}
finally
{
oSQLServer.DisConnect();
}
return ret;
}
这样可以备份成功，生成文件BookLibrarySystem.bak
但是数据库还原的，我需要登录到我的系统后，点某个按钮还原，我搜了资料，说要杀死所有进程才能还原，但是我的系统已经链接到数据库了，这样就会报数据库被使用，不能杀死进程这种类似的错误，请各位路过的都来看一看，代码如下：
/// <summary>
/// 数据库恢复
/// </summary>
public static int DbRestore(string serverip, string username, string psw, string path)
{
int ret;
SQLDMO.Restore oRestore = new SQLDMO.RestoreClass();
SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass();
try
{
exepro(serverip, username, psw);
oSQLServer.LoginSecure = false;
oSQLServer.Connect(serverip, username, psw);
oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database;
oRestore.Database = "BookLibrarySystem";
oRestore.Files = path + "\\BookLibrarySystem.bak";
oRestore.FileNumber = 1;
oRestore.ReplaceDatabase = true;
oRestore.SQLRestore(oSQLServer);
ret = 1;
}
catch
{
ret = 0;
throw;
}
finally
{
oSQLServer.DisConnect();
}
return ret;
}
/**/
/// <summary>
/// 杀死当前库的所有进程
/// </summary>
/// <returns></returns>
private static bool exepro(string serverip, string username, string psw)
{
SqlConnection conn1 = new SqlConnection("server=" + serverip + ";uid=" + username + ";pwd=" + psw + ";database=master");
SqlCommand cmd = new SqlCommand("p_killspid", conn1);
cmd.Parameters.Add(new SqlParameter("@dbname", "BookLibrarySystem"));
try
{
conn1.Open();
SqlDataReader dr = cmd.ExecuteReader();
ArrayList list = new ArrayList();
while (dr.Read())
{
list.Add(dr.GetInt16(0));
}
dr.Close();
for (int i = 0; i < list.Count; i++)
{
cmd = new SqlCommand(string.Format("KILL {0}", list), conn1);
cmd.ExecuteNonQuery();
}
conn1.Close();
return true;
}
catch (Exception ex)
{
return false;
}
finally
{
conn1.Close();
}
}
[解决办法]
你要还原数据库是不能让软件和数据库有链接的，这是肯定的啊，你只有在断开状态下才能还原数据库。你看 执行Dos 命令试试 行不行
[解决办法]
http://www.softhouse.com.cn/news/show/691.html
你还可以看看这个，用了SQLDMO封装类备份还原，方便、快捷、减少自己的编码量！！！
强烈推荐！！！
[解决办法]
也可使用存储过程备份恢复数据库
CREATE proc dbo.Data_Backup @dbname sysname='',@bkpath nvarchar(260)='',@bkfname nvarchar(260)='',@bktype nvarchar(10)='DB',@appendfile bit=1
as declare @sql varchar(8000) if isnull(@dbname,'')='' set @dbname=db_name() if isnull(@bkfname,'')=''
set @bkfname='\DBNAME\_\DATE\_\TIME\.BAK' set @bkfname=replace(replace(replace(@bkfname,'\DBNAME\',@dbname),'\DATE\',convert(varchar,getdate(),112)),'\TIME\',replace(convert(varchar,getdate(),108),':',''))
update XTSZ set FNAME=@bkfname
set @sql='backup '+case @bktype when 'LOG' then 'log ' else 'database ' end +@dbname +' to disk='''+@bkpath+@bkfname +''' with '+case @bktype when 'DF' then 'DIFFERENTIAL,' else '' end+case @appendfile when 1 then 'NOINIT' else 'INIT' end
exec(@sql)
