//--------------menage mothers---------------//
/// <summary>
/// adds a mother to the data base
/// Exception:
/// in the data base is are a mother with the same ID
/// </summary>
/// <param name="mam">mother object to add</param>
public void addMother(Mother mam)
{
if (DataSourceXml.MotherRoot.Elements().Any(x => (Convert.ToInt32(x.Element("Id").Value)) == mam.Id))
{
throw new DALException("ERROR: There is the same mother id already");
}
DataSourceXml.MotherRoot.Add(mam.MotherToXML());
DataSourceXml.saveMothers();
}
public void removeMother(int id)
{
XElement result = (from mother in DataSourceXml.MotherRoot.Elements()
where Convert.ToInt32(mother.Element("Id").Value) == id
select mother).FirstOrDefault();
if (result != null)
{
result.Remove();
DataSourceXml.saveMothers();
}
else
{
throw new DALException("ERROR: There is no Mother with this id to remove");
}
}
