// Opdater Tournement
        public void updateTournement(Tournement tournement, string beforetournement)
        {
            string allEmployeesQuery = $"SELECT Id, PhoneNumber, JudgeLevel FROM Employees WHERE Name = '{tournement.Refname}'";
            string allPlayersQuery   = $"SELECT Id, PhoneNumber FROM Players WHERE Name = '{tournement.Playername}'";

            // Eksikver query og gemmer i en variabel
            DataSet resultSet       = Execute(allEmployeesQuery);
            DataSet playerResultSet = Execute(allPlayersQuery);

            // Får første table af data sættet og gemmer i en variabel
            DataTable employeeTable = resultSet.Tables[0];
            DataTable playerTable   = playerResultSet.Tables[0];

            foreach (DataRow employeeRow in employeeTable.Rows)
            {
                int refId          = (int)employeeRow["Id"];
                int refPhonenumber = (int)employeeRow["PhoneNumber"];
                int refLevel       = (int)employeeRow["JudgeLevel"];
                foreach (DataRow playerRow in playerTable.Rows)
                {
                    int    playerId                 = (int)playerRow["Id"];
                    int    playerPhonenumber        = (int)playerRow["PhoneNumber"];
                    string addupdateTournementQuery =
                        $"UPDATE Tournements SET TournermentName = '{tournement.Tournermentname}', PlayerId = {playerId}, PlayersName = '{tournement.Playername}', PlayersPhoneNumber = {playerPhonenumber}, RefId = {refId}, RefName = '{tournement.Refname}', RefPhoneNumber = {refPhonenumber}, RefLevel = {refLevel} WHERE TournermentName = '{beforetournement}'";
                    try
                    {
                        Execute(addupdateTournementQuery);
                    }
                    catch (Exception e)
                    {
                        MessageBox.Show(e.ToString());
                    }
                }
            }
        }
        // Getting Tournements information from database
        public List <Tournement> GetTournements()
        {
            List <Tournement> TournementsList     = new List <Tournement>();
            string            allTournementsQuery = "SELECT * FROM Tournements";

            // Eksikver query og gemmer i en variabel
            DataSet resultSet = Execute(allTournementsQuery);

            // Får første table af data sættet og gemmer i en variabel
            DataTable tournementTable = resultSet.Tables[0];


            foreach (DataRow tournementRow in tournementTable.Rows)
            {
                string     tournementname    = (string)tournementRow["TournermentName"];
                int        playerid          = (int)tournementRow["PlayerId"];
                string     playername        = (string)tournementRow["PlayersName"];
                int        playerphonenumber = (int)tournementRow["PlayersPhoneNumber"];
                int        refif             = (int)tournementRow["RefId"];
                string     refname           = (string)tournementRow["RefName"];
                int        refphonenumber    = (int)tournementRow["RefPhoneNumber"];
                int        reflevel          = (int)tournementRow["RefLevel"];
                Tournement tournement        = new Tournement(tournementname, playerid, playername, playerphonenumber, refif, refname, refphonenumber, reflevel);
                TournementsList.Add(tournement);
            }
            return(TournementsList);
        }
        // Making a mothod where there will be added a new tournement in the database table Tournements
        public void AddNewTournement(Tournement tournement)
        {
            string allEmployeesQuery = $"SELECT Id, PhoneNumber, JudgeLevel, JobType FROM Employees WHERE Name = '{tournement.Refname}'";
            string allPlayersQuery   = $"SELECT Id, PhoneNumber FROM Players WHERE Name = '{tournement.Playername}'";

            // Eksikver query og gemmer i en variabel
            DataSet resultSet       = Execute(allEmployeesQuery);
            DataSet playerResultSet = Execute(allPlayersQuery);

            // Får første table af data sættet og gemmer i en variabel
            DataTable employeeTable = resultSet.Tables[0];
            DataTable playerTable   = playerResultSet.Tables[0];

            foreach (DataRow employeeRow in employeeTable.Rows)
            {
                int    refId          = (int)employeeRow["Id"];
                int    refPhonenumber = (int)employeeRow["PhoneNumber"];
                int    refLevel       = (int)employeeRow["JudgeLevel"];
                string jobtype        = (string)employeeRow["JobType"];
                foreach (DataRow playerRow in playerTable.Rows)
                {
                    int    playerId              = (int)playerRow["Id"];
                    int    playerPhonenumber     = (int)playerRow["PhoneNumber"];
                    string addNewTournementQuery =
                        $"INSERT INTO Tournements (TournermentName, PlayerId, PlayersName, PlayersPhoneNumber, RefId, RefName, RefPhoneNumber, RefLevel) VALUES ('{tournement.Tournermentname}', {playerId}, '{tournement.Playername}', {playerPhonenumber}, {refId}, '{tournement.Refname}', {refPhonenumber}, {refLevel})";
                    try
                    {
                        if (jobtype == "Ref" || jobtype == "Judge")
                        {
                            Execute(addNewTournementQuery);
                        }
                        else
                        {
                            MessageBox.Show("Denne Ansat er ikke en dommer.");
                        }
                    }
                    catch (Exception e)
                    {
                        MessageBox.Show(e.ToString());
                    }
                }
            }
        }