//public override bool IsModified
//{
// get
// {
// return (base.IsModified || ExtendedFields.IsDirty() || TaxFormRemarks.IsDirty());
// }
//}
protected override void UnLoadSubClass()
{
if (ParentPackage != null)
{
ParentPackage.Rollback(); //only happens under NF2 scenario
}
if (TaxFormRemarks != null)
{
TaxFormRemarks.Table.RowChanged -= TaxFormRemarks_RowChanged;
}
TaxFormRemarks.DetachRowsAndDispose();
//blow away child row first to avoid the 'missing foreign to primary key' exception from the dataset police
if (ExtendedFields != null)
{
ExtendedFields.PropertyChanged -= ExtendedFields_PropertyChanged;
}
ExtendedFields.DetachRow();
if (Fields != null)
{
Fields.PropertyChanged -= FieldChange;
}
Fields.DetachRow();
}
private void SetExtendedFields()
{
if (ExtendedFields != null)
{
ExtendedFields.PropertyChanged -= ExtendedFields_PropertyChanged;
ExtendedFields.DetachRow();
}
string extable = GetCurrentTransactionTypeExtendedTableName();
if (dsCache.Relations.Contains(extable)) //if this is a transaction type with extended fields required...
{
DataView ExtFields = Fields.CreateChildView(extable);
if (ExtFields.Count == 0) //if no row already exists, create a default row for this tax form and transaction type to provide the empty slot for fields to be filled out
{
DataTable extTable = dsCache.Tables[extable];
//it'd be cool to break this out into a generic AddBlankRow() function that populates a GUID PK if present and cruises the column types to create blank default values
DataRow extrow = extTable.NewRow();
DataColumnCollection cols = extTable.Columns;
foreach (DataColumn col in cols)
{
if (!col.ColumnName.Contains("GUID"))
{
extrow[col.ColumnName] = ""; //fill out all non GUID fields generically to dodge not null errors
}
}
extrow["RowGUID"] = Guid.NewGuid();
extrow["TaxFormGUID"] = GUID;
extTable.Rows.Add(extrow);
extrow.AcceptChanges();
}
ExtendedFields = ExtFields[0];
ExtendedFields.PropertyChanged += ExtendedFields_PropertyChanged;
}
OnPropertyChanged("ExtendedFields"); //let the UI know to update the extended fields display when we change TransactionType
}