Restore database from backup with Sql Server

Restorinator.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using Microsoft.SqlServer.Management.Common;
using Microsoft.SqlServer.Management.Smo;

public class Restorinator{
  
public static void RestoreDatabase(String databaseName, String filePath, String serverName,
            String userName, String password,
            String dataFilePath, String logFilePath)
        {
            Restore sqlRestore = new Restore();

            BackupDeviceItem deviceItem = new BackupDeviceItem(filePath, DeviceType.File);
            sqlRestore.Devices.Add(deviceItem);
            sqlRestore.Database = databaseName;

            ServerConnection connection = new ServerConnection(serverName, userName, password);
            Server sqlServer = new Server(connection);
            //sqlServer.KillAllProcesses(databaseName);
            
            Database db = sqlServer.Databases[databaseName];
            sqlRestore.Action = RestoreActionType.Database;
            String dataFileLocation = dataFilePath + databaseName + ".mdf";
            String logFileLocation = logFilePath + databaseName + "_Log.ldf";
            db = sqlServer.Databases[databaseName];
            

            sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName, dataFileLocation));
            sqlRestore.RelocateFiles.Add(new RelocateFile(databaseName + "_log", logFileLocation));
            sqlRestore.ReplaceDatabase = true;
            sqlRestore.Complete += new ServerMessageEventHandler((sender, e) => {
                                                                                    Console.WriteLine("\nThe dishes are done");
            });
            sqlRestore.PercentCompleteNotification = 10;
            sqlRestore.PercentComplete +=
               new PercentCompleteEventHandler((sender1, e1) => {
                                                                    Console.Write(".");
               });

            sqlRestore.SqlRestore(sqlServer);
            db = sqlServer.Databases[databaseName];
            db.SetOnline();
            sqlServer.Refresh();
        }
}