public static BindingCollection <TEntity> DiffTwoListAndGetDel <TEntity>(EntityList <TEntity> before, EntityList <TEntity> after) where TEntity : EntityBase <TEntity>
{
BindingCollection <TEntity> result = new BindingCollection <TEntity>();
if ((before != null) && (after == null))
{
result = before.Entities;
}
else if ((before != null) && (after != null))
{
result = new BindingCollection <TEntity>(before.Entities.Except(after.Entities, new EntityIdComparer <TEntity>()).ToList <TEntity>());
}
return(result);
}
public static BindingCollection <TEntity> DiffTwoListAndGetUpd <TEntity>(EntityList <TEntity> before, EntityList <TEntity> after) where TEntity : EntityBase <TEntity>
{
BindingCollection <TEntity> result = new BindingCollection <TEntity>();
if ((before != null) && (after != null))
{
foreach (TEntity entity in after.Entities.Except(before.Entities, new EntityFullComparer <TEntity>()))
{
if (!entity.IsNewEntity)
{
result.Add(entity);
}
}
}
return(result);
}