取得指定数据库服务器的数据库列表public ArrayList GetServerList()
{
ArrayList alServers = new ArrayList();
SQLDMO.Application sqlApp = new SQLDMO.ApplicationClass();
try
{
SQLDMO.NameList serverList = sqlApp.ListAvailableSQLServers();
for (int i = 1; i <= serverList.Count; i++)
{
alServers.Add(serverList.Item(i));
}
}
catch (Exception e)
{
throw (new Exception("取数据库服务器列表出错:" + e.Message));
}
finally
{
sqlApp.Quit();
}
return alServers;
}
2. 数据库的备份和实时进度显示代码:public ArrayList GetDbList(string strServerName, string strUserName, string strPwd)
{
ServerName = strServerName;
UserName = strUserName;
Password = strPwd;
ArrayList alDbs = new ArrayList();
SQLDMO.Application sqlApp = new SQLDMO.ApplicationClass();
SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass();
try
{
svr.Connect(ServerName, UserName, Password);
foreach (SQLDMO.Database db in svr.Databases)
{
if (db.Name != null)
alDbs.Add(db.Name);
}
}
catch (Exception e)
{
throw (new Exception("连接数据库出错:" + e.Message));
}
finally
{
svr.DisConnect();
sqlApp.Quit();
}
return alDbs;
}
其中,这两个语句实现了进度的实时显示:public bool BackUPDB(string strDbName, string strFileName, ProgressBar pgbMain)
{
PBar = pgbMain;
SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass();
try
{
svr.Connect(ServerName, UserName, Password);
SQLDMO.Backup bak = new SQLDMO.BackupClass();
bak.Action = 0;
bak.Initialize = true;
SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step);
bak.PercentComplete += pceh;
bak.Files = strFileName;
bak.Database = strDbName;
bak.SQLBackup(svr);
return true;
}
catch (Exception err)
{
throw (new Exception("备份数据库失败" + err.Message));
}
finally
{
svr.DisConnect();
}
}
private void Step(string message, int percent)
{
PBar.Value = percent;
}
Step就是上面private void Step(string message,int percent) 的方法名称,它用来显示进度条的当前进度。 3. 数据库的恢复和杀死进程的代码:SQLDMO.BackupSink_PercentCompleteEventHandler pceh = new SQLDMO.BackupSink_PercentCompleteEventHandler(Step);
bak.PercentComplete += pceh;
其中这个语句取得了所有的进程列表: SQLDMO.QueryResults qr = svr.EnumProcesses(-1) ; 下面的语句找到和要恢复数据库相关的进程并杀死:public bool RestoreDB(string strDbName, string strFileName, ProgressBar pgbMain)
{
PBar = pgbMain;
SQLDMO.SQLServer svr = new SQLDMO.SQLServerClass();
try
{
svr.Connect(ServerName, UserName, Password);
SQLDMO.QueryResults qr = svr.EnumProcesses(-1);
int iColPIDNum = -1;
int iColDbName = -1;
for (int i = 1; i <= qr.Columns; i++)
{
string strName = qr.get_ColumnName(i);
if (strName.ToUpper().Trim() == "SPID")
{
iColPIDNum = i;
}
else if (strName.ToUpper().Trim() == "DBNAME")
{
iColDbName = i;
}
if (iColPIDNum != -1 && iColDbName != -1)
break;
}
for (int i = 1; i <= qr.Rows; i++)
{
int lPID = qr.GetColumnLong(i, iColPIDNum);
string strDBName = qr.GetColumnString(i, iColDbName);
if (strDBName.ToUpper() == strDbName.ToUpper())
svr.KillProcess(lPID);
}
SQLDMO.Restore res = new SQLDMO.RestoreClass();
res.Action = 0;
SQLDMO.RestoreSink_PercentCompleteEventHandler pceh = new SQLDMO.RestoreSink_PercentCompleteEventHandler(Step);
res.PercentComplete += pceh;
res.Files = strFileName;
res.Database = strDbName;
res.ReplaceDatabase = true;
res.SQLRestore(svr);
return true;
}
catch (Exception err)
{
throw (new Exception("恢复数据库失败,请关闭所有和该数据库连接的程序!" + err.Message));
}
finally
{
svr.DisConnect();
}
}
int iColPIDNum = -1;
int iColDbName = -1;
for (int i = 1; i <= qr.Columns; i++)
{
string strName = qr.get_ColumnName(i);
if (strName.ToUpper().Trim() == "SPID")
{
iColPIDNum = i;
}
else if (strName.ToUpper().Trim() == "DBNAME")
{
iColDbName = i;
}
if (iColPIDNum != -1 && iColDbName != -1)
break;
}
for (int i = 1; i <= qr.Rows; i++)
{
int lPID = qr.GetColumnLong(i, iColPIDNum);
string strDBName = qr.GetColumnString(i, iColDbName);
if (strDBName.ToUpper() == strDbName.ToUpper())
svr.KillProcess(lPID);
}