public void AddMother(Mother mother)
{
// Searching for the mother ID in the mother's XML file (returns 0 if not found)
int temp = (from n in DataSourceXml.Mothers.Elements()
where int.Parse(n.Element("Id").Value) == mother.Id
select int.Parse(n.Element("Id").Value)).FirstOrDefault();
if (temp != 0)
{
throw new Exception("ERROR: The mother with id: " + mother.Id + " already exist in the database !!!");
}
else
{
DataSourceXml.Mothers.Add(mother.toXML());
DataSourceXml.SaveInMothers();
}
}
public void RemoveMother(int motherId)
{
// Searching for the mother instance in the mother's XML file (returns null if not found)
XElement motherToRemove = (from n in DataSourceXml.Mothers.Elements()
where int.Parse(n.Element("Id").Value) == motherId
select n).FirstOrDefault();
if (motherToRemove == null)
{
throw new Exception("ERROR: The mother with id: " + motherId + " not exist in the database !!!");
}
else
{
motherToRemove.Remove();
DataSourceXml.SaveInMothers();
}
}
