public bool ValidHeaderData()
{
if (BankRec == null)
{
MessageBox.Show(strings.ReqBankAccountNo);
return(false);
}
if (MainRowList.Any(r => string.IsNullOrWhiteSpace(r.MachineId)))
{
MessageBox.Show(strings.ReqMachineId);
return(false);
}
var duplicatedMachineId = MainRowList.GroupBy(r => new { r.MachineId }).FirstOrDefault(x => x.Count() > 1);
if (duplicatedMachineId != null)
{
MessageBox.Show(string.Format("Machine Id cannot be duplicated {0}", duplicatedMachineId.Key.MachineId));
return(false);
}
if (MainRowList.GroupBy(r => new { r.StoreIserial, r.IsDefault }).Where(r =>
r.Key.IsDefault).Select(r => r.Count()).Any(r => r > 1))
{
MessageBox.Show("Store Can have one Default Machine");
return(false);
}
return(true);
}
