/// <summary>
/// This function returns the invoice number of the latest invoice
/// </summary>
/// <returns></returns>
public int getLatestInvoiceNum()
{
return(Convert.ToInt32(db.ExecuteScalarSQL(SQLQueries.SelectTheLatestInvNum())));
}
/// <summary>
/// This function returns the invoice number of the latest invoice
/// </summary>
/// <returns></returns>
public int getLatestInvoiceNum()
{
return(Convert.ToInt32(db.ExecuteScalarSQL(SQLQueries.SelectTheLatestInvNum())));
}