Hi Rob,

If you are providing a data source to the grid in the code-behind, the best place to do that is its NeedDataSource event handler. The following article can be a good starting point: https://www.telerik.com/support/kb/aspnet-ajax/grid/details/how-to-bind-radgrid-properly-on-server-side.

Regards,
Marin Bratanov
Progress Telerik

Marin,

So you're saying it's "by design" that the Grid's datasource will not update in any event other than Page_Load?  That doesn't sound right?

Rob.

Ok, the magic word I was looking for is apparently .Rebind().  So that issue is solved, but for some strange reason my RadRadioButton (GridTemplateColumn) is not firing the "OnCheckedChanged" event?

Any hints?

Rob.

 

Ignore, I had a Password validation field (RadTextBox) that got reset after the Grid.Rebind so it was blocking events until validation was cleared.

Thanks for the help.

Rob.

It's good to hear you have resolved this, Rob.
To add a some info on the grid events - while you could provide a data source to it in other events (including postback events such as button.Click), then callings its .DataBind() or .Rebind() method would likely bind the grid to that data, this is not what we recommend, because the rich feature set of the grid may require that it is provided with data in other cases/events too, and if this is not done, such simple data binding will fail. This is why we created the NeedDataSource event, so it can serve as a single place where you provide the same data to the grid every time without worrying for the page lifecycle.
--Marin