private void btnLoadFileAndSave_Click(object sender, EventArgs e)
        {
            // this is the loading part that will read the paypal text file.
            // I used a predefined name for testing. We will just have to indicate the name
            // of the paypal textfile for the updates.
            // At the same time it will update the balance of the client
            read = new PaypalInvoiceReader(userSelectedFilePath);
            s = read.readfile();

            foreach ( string m in s)
            {
               richTextBox1.Text += m + "\n";

               int index = s.IndexOf(m);
               if (index > 3)
               {

                   int[] arrID = new int[s.Count - 4];
                   decimal[] arrB = new decimal[s.Count - 4];
                   string[] arrS = m.Split(' ');
                   foreach (string l in arrS)
                   {
                       arrID[index - 4] = Convert.ToInt32(arrS[0]);
                       arrB[index - 4] = Convert.ToDecimal(arrS[1]);
                   }

                   EventAccountDataHelper accountHelper = new EventAccountDataHelper();

                   accountHelper.UpdateAccountBalanceWithPaypalFIle(arrID[index - 4], arrB[index - 4]);
               }
            }
        }