/// <summary>
/// Find the nearest ancestor DebtClass that has a value for a particular field.
/// </summary>
/// <param name="debtClassId">The DebtClassId of the debt class to start with.</param>
/// <param name="field">The column to look at.</param>
/// <returns>The row of the first debt class found to have a value for the indicated field (including the initial debt class).</returns>
private static DebtClassRow FindParentWithField(Guid debtClassId, DataColumn field)
{
DebtClassRow parent = null;
DebtClassRow debtClass = DataModel.DebtClass.DebtClassKey.Find(debtClassId);
Guid typeId = DataModel.Entity.EntityKey.Find(debtClassId).TypeId;
while (debtClass != null && parent == null)
{
EntityRow child = DataModel.Entity.EntityKey.Find(debtClass.DebtClassId);
EntityTreeRow[] parents = child.GetEntityTreeRowsByFK_Entity_EntityTree_ChildId();
if (!debtClass.IsNull(field))
{
parent = debtClass;
}
if (parents.Length != 0)
{
debtClass = DataModel.DebtClass.DebtClassKey.Find(parents[0].ParentId);
}
else
{
debtClass = null;
}
}
return(parent);
}
