Question One
The diagram below shows LINQ to SQL database update operation. Explain the steps of executing the operation in your own words?
![2343_SQL.jpg](https://secure.tutorsglobe.com/CMSImages/2343_SQL.jpg)
Question Two
Explain the process of cleanup operation in Ajax web portal and why it is important?
Question Three
Explain why using client-side widgets may create a slow loading web site or a completely nonresponsive web site.
Question Four
Explain why the use of widget skeleton and loading progress message can improve the perceived speed of page load.