public void UpdateContract(Contract c)
{
DataSource_XML.LoadData("Contracts");
XElement temp = ((from e in DataSource_XML.Contracts.Elements() // check if the contract exist
where e.Element("ChildID").Value == c.ChildID
select e).FirstOrDefault());
if (temp == null)
{
throw new Exception("This Contract not exist");
}
temp.ReplaceWith(DAL_Converts.ContractToXml(c)); // replace between the contract details
DataSource_XML.SaveData("Contracts");
}
public void AddContract(Contract c)
{
DataSource_XML.LoadData("Contracts"); //load the contract file
XElement temp = ((from e in DataSource_XML.Contracts.Elements() // check if there is contract for this child
where e.Element("ChildID").Value == c.ChildID
select e).FirstOrDefault());
if (temp != null)
{
throw new Exception("Cannot add another Contract to same child");
}
XElement contract = DAL_Converts.ContractToXml(c);
contract.Element("ContractNumber").Value = (getContractNumber() + 1).ToString(); // add the new contract number
DataSource_XML.Contracts.Add(contract);
DataSource_XML.SaveData("Contracts"); // save the file
}