How to use DataPager with Database Paged

Question

I am using ListView/DataPager.

For performance reasons I page my results at database, using ROW_NUMBER(SQl2005).

At my C# code just comes one page at time. H

Answer 1

Apparently I can't comment on the above solution, that was provided by Fujiy, however I discovered the following bug:

Inside GetEnumerator() the incrementation in the else branch will always cause the collection to skip one default element, unless you're on the last page of the PagedList.

As an example, if you would create a paged list of 5 elements, with startindex 3 and 1 element per page. This could would enter the else branch for element 2. It would increment i to 3 and then go back into the for-header where it would increment to 4, without creating a default element for i == 3.

• i == 1 -> default
• i == 2 -> default
• i == 3 -> Actual element
• i == 4 -> Skipped
• i == 5 -> default

A simple solution would be to either use 3 for-loops (one for defaults before the ActualPage, one for the ActualPage and one for elements after the ActualPage). Or to add a i-- after the For-loop inside the Else-branch.