- the grid is set to extended selection
- drag and drop a row from the near the top to near the bottom
- quickly move the mouse after the drop
a number of rows become selected even though you have released the left hand mouse button.
in fact the grid thinks the mouse button is still down and as you move the mouse up and down selects and unselects
I am incuding a sample page i made to demonstrate as well as snapshots of the behavior.
I can send the test project if you need.
from the demo