public void AddChild(Child c)
{
if (DS.DataSource.Childs.Exists(ch => ch.ID == c.ID))// check if the child allready exists
{
throw new Exception("Child allready exists");
}
DS.DataSource.Childs.Add(c.ChildDeepClone());
}
public void AddChild(Child newchild)
{
if (ExistChild(newchild))
{
throw new Exception("ERROR Child is allready exist!! Please check child ID.");
}
DataSource.Childs.Add(newchild.ChildDeepClone());
}
public void AddChild(Child child)
{
if (!DS.DataSource.List_of_Children.Any(item => item.ID == child.ID))
{
DS.DataSource.List_of_Children.Add(child.ChildDeepClone());
}
else
{
throw new Exception("ERROR!: Child already exists\n");
}
}
