i want to read some images from database and show them in a grid with 5 visible row for example!
it means 5 image must show in a time!
but i want by pressing manual "next button" the first image go out and the 6t image load from databae
i want to scroll to the next item by click
Here is an online demo which shows how to achieve VirtualScrollPaging in RadGrid. Go through it and see whether it meets your requirement. Virtual Scrolling and Paging