private void BackUp()
{
try
{
string filename = "MyDBBackup.bak";

Server server = new Server(new ServerConnection(new System.Data.SqlClient.SqlConnection("MyDBConnStr")));

// Create a new backup operation
Backup bkpDatabase = new Backup();

// Set the backup type to a database backup
bkpDatabase.Action = BackupActionType.Database;

// Set the database that we want to perform a backup on
bkpDatabase.Database = "MyDBName"

// Set the backup device to a file
BackupDeviceItem bkpDevice = new BackupDeviceItem(filename, DeviceType.File);

// Add the backup device to the backup
bkpDatabase.Devices.Add(bkpDevice);

bkpDatabase.PercentComplete += new PercentCompleteEventHandler("BackupPercentaceCallBack");

// Perform the backup
bkpDatabase.SqlBackup(server);
}
catch (Exception ex)
{
//NOP
}
}

private void Restore()
{
//Restore
try
{
Server server = new Server(new ServerConnection(new System.Data.SqlClient.SqlConnection("MyDBConnStr")));

string filepath = "MyDBBackup.bak";

if (filepath != "")
{
if (File.Exists(filepath))
{
// Create a new database restore operation
Restore rstDatabase = new Restore();

// Set the restore type to a database restore
rstDatabase.Action = RestoreActionType.Database;

// Set the database that we want to perform the restore on
rstDatabase.Database = "MyDBName";

// Set the backup device from which we want to restore, to a file
BackupDeviceItem bkpDevice = new BackupDeviceItem(filepath, DeviceType.File);

// Add the backup device to the restore type
rstDatabase.Devices.Add(bkpDevice);

// If the database already exists, replace it
rstDatabase.ReplaceDatabase = true;

rstDatabase.PercentComplete += new PercentCompleteEventHandler(RestorePercentaceCallBack);

server.KillAllProcesses("MyDBName");

rstDatabase.Wait();

// Perform the restore
rstDatabase.SqlRestore(server);

Application.Restart();
}
}
}
catch (Exception ex)
{
//NOP
}
}