Uploaded on

 

More in: Technology , Business
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
98
On Slideshare
0
From Embeds
0
Number of Embeds
0

Actions

Shares
Downloads
0
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Linq 溫故知新 Howard 2013/12/13
  • 2. 先來個問題
  • 3. 提示  SelectMany
  • 4. 解答
  • 5. Aggregate
  • 6. Aggregate - Simple  This sample uses Aggregate to create a running product on the array that calculates the total product of all elements.
  • 7. Aggregate - Seed  This sample uses Aggregate to create a running account balance that subtracts each withdrawal from the initial balance of 100, as long as the balance never drops below 0.
  • 8. Deferred Execution  The following sample shows how query execution is deferred until the query is enumerated at a foreach statement.  請問輸出結果是?
  • 9. Immediate Execution  輸出結果如下,該怎麼做?
  • 10. Query Reuse 請問輸出結果是?
  • 11. cross join, inner join, outer join 資料如下:
  • 12. cross join  怎麼做?
  • 13. inner join  怎麼做?
  • 14. outer join  怎麼做?
  • 15. References  http://code.msdn.microsoft.com/101-LINQ-Samples-3fb9811b