Hi Martin,

I have tried your scenario, but your issue did not replicated on my side. I have attached a simple sample of mine based on your scenario.

Steps:

1. Click any row inside the first WebGrid. Alert box will pop up and shows the value of WebGrid1 selected row. But on the second alert box will show nothing because we havent selected yet.

2. Click any row inside the second WebGrid. The alert box will pop up a result of your selected row on WebGrid1 and second will pop up a result of your selected row on WebGrid2.

Please let me know if you have anymore questions, hope I can be more assistance.

Hope this helps.

Thank you and have a nice day.

Regards,
Niven.

EDIT: I'm using the NorthWind database.