public bool Contains(OrganizerEvent data)
        {
            StreamReader read = new StreamReader(new FileStream(@"..\..\database.txt", FileMode.Open, FileAccess.Read));
            using (read)
            {
                StringBuilder currentLine = new StringBuilder();
                int i = 0;
                bool check = false;

                while (read.ReadLine() != null)
                {
                    currentLine.AppendLine(read.ReadLine());
                    currentLine.AppendLine(read.ReadLine());
                    currentLine.AppendLine(read.ReadLine());
                    currentLine.AppendLine(read.ReadLine());
                    currentLine.AppendLine(read.ReadLine());

                    if (currentLine.ToString() == data.ToString())
                    {
                        check = true;
                        break;
                    }
                    currentLine.Clear();
                }
                return check;
            }
        }
 public void SaveEventsInDatabase(OrganizerEvent evn)
 {
     StreamWriter file = new StreamWriter(@"..\..\database.txt", true);
     using (file)
     {
         file.WriteLine(evn.ToString());
     }
 }