linq group by contiguous blocks

Question

Let\'s say I have following data:

Time Status
10:00 On
11:00 Off
12:00 Off
13:00 Off
14:00 Off<

Answer 1

It can be done as.

1. Iterate over collection.
2. Use TakeWhile condition is text of first element of collection On or Off.
3. Iterate over the subset of from point one and repeat above step and concatenate string.

Hope it helps..