Compare Idatareader values and write those who doesn't match

[parshupooja]

Hey All,

I have 2 IDatareaders. forex:
Idatareader r
One
Two
Three
Four
Idatareader a
One
Two
Three
Four
five
six

both are returning one column and many rows. I want to compare values of both datareader and present result out those who does not match. for ex: in this case it will be
five
six

any idea?
thanks

[int08h]

IDataReader only implements IEnumerable but not IList, so comparison is not fully supported, a way is to get all data out and make 2 lists, comparison on list is easy