/// <summary>
/// This method calculates the possible cash of the company, cash that the company has in bank
/// and make the subtraction them
/// </summary>
private void CalculateBalance()
{
var accountManager = new AccountManager(this);
//
// Calculates the possible cash of the company
//
totalPossible = accountManager.GetParcelsValueFromInvoices(Company.CompanyId) - accountManager.GetParcelsValueFromBills(Company.CompanyId);
//
// Calculates the cash that the company has in bank
//
totalDone = (decimal)accountManager.GetSumConciliatedParcelsValueFromInvoices(Company.CompanyId) - (decimal)accountManager.GetSumConciliatedParcelsValueFromBills(Company.CompanyId);
txtDone.Text = String.Format("{0:c}", totalDone);
txtPossible.Text = String.Format("{0:c}", totalPossible);
}