/// <summary>
        /// Function to add a new Account to the Account Array
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BTN_addAccount_Click(object sender, EventArgs e)
        {
            bool valid = true;

            if (CBOX_AccountType.SelectedIndex < 0)
            {
                LBL_AccountType.ForeColor = Color.Red;
                MessageBox.Show("Veuillez Sélectionner un type de compte.");
                valid = false;
            }
            else
            {
                LBL_AccountType.ForeColor = Color.White;
            }

            if (CBOX_AccountClient.SelectedIndex < 0)
            {
                LBL_AccountClient.ForeColor = Color.Red;
                MessageBox.Show("Veuillez Sélectionner un Client pour le Compte.");
                valid = false;
            }
            else
            {
                LBL_AccountClient.ForeColor = Color.White;
            }

            //If all information is valid
            if (valid)
            {
                //Interest
                if (CBOX_AccountType.Text == "Avec Interet")
                {
                    string[] clientID = CBOX_AccountClient.Text.Split(' ');
                    AccountInterest account = new AccountInterest(NUM_AccountBalance.Value, clientID[0], NUM_AccountInterest.Value);
                    Program.AccountData.Add(account.ACCOUNTID, account);

                    //Update the account in Client data
                    if (Program.ClientData[clientID[0]].ACCOUNTS.Count == 0)
                    {
                        Program.ClientData[clientID[0]].ACCOUNTS.Clear();
                    }

                    Program.ClientData[clientID[0]].ACCOUNTS.Add(account.ACCOUNTID);

                    NUM_AccountBalance.Value = 0;
                    NUM_AccountInterest.Value = 0;
                    CBOX_AccountClient.SelectedIndex = -1;
                    CBOX_AccountType.SelectedIndex = -1;

                    UpdateAccountTab();
                    BTN_ExportData.Enabled = true;
                }
                //No Interest
                else if (CBOX_AccountType.Text == "Sans Interet")
                {
                    string[] clientID = CBOX_AccountClient.Text.Split(' ');
                    AccountNoInterest account = new AccountNoInterest(NUM_AccountBalance.Value, clientID[0], NUM_AccountLimit.Value);
                    Program.AccountData.Add(account.ACCOUNTID, account);

                    //Update the account in Client data
                    if (Program.ClientData[clientID[0]].ACCOUNTS.Count == 0)
                    {
                        Program.ClientData[clientID[0]].ACCOUNTS.Clear();
                    }
                    Program.ClientData[clientID[0]].ACCOUNTS.Add(account.ACCOUNTID);

                    NUM_AccountBalance.Value = 0;
                    NUM_AccountLimit.Value = 0;
                    CBOX_AccountClient.SelectedIndex = -1;
                    CBOX_AccountType.SelectedIndex = -1;

                    UpdateAccountTab();
                    BTN_ExportData.Enabled = true;
                }
            }
        }
        /// <summary>
        /// Function to import all the Account data from the XML File
        /// </summary>
        private static void importAccountData()
        {
            DataSet AccountDB = new DataSet();
            AccountDB.ReadXml("myAccount.xml");

            if (AccountDB.Tables.Count != 0)
            {
                foreach (DataRow row in AccountDB.Tables["Account Database"].Rows)
                {
                    if (row["Type"].ToString() == "Interest")
                    {
                        AccountInterest tempAccountInterest = new AccountInterest(decimal.Parse(row["Balance"].ToString()), row["ClientID"].ToString(), decimal.Parse(row["Interest"].ToString()));
                        Program.AccountData.Add(tempAccountInterest.ACCOUNTID, tempAccountInterest);
                    }
                    else
                    {
                        AccountNoInterest tempAccountNoInterest = new AccountNoInterest(decimal.Parse(row["Balance"].ToString()), row["ClientID"].ToString(), decimal.Parse(row["Limit"].ToString()));
                        Program.AccountData.Add(tempAccountNoInterest.ACCOUNTID, tempAccountNoInterest);
                    }
                }
            }
        }