I was working on maintaining a site that used a GridView within an UpdatePanel and had difficulties with the DataBind() call. I added a delete button (using a CommandField) to the grid and wired up the command logic to delete from a generic list that I was keeping up with. The grid was bound to the List. It just wasn’t updating the contents of the Grid when I removed records from the source.
It turns out that when I added the Delete command, I was also supposed to handle the OnRowDeleting event. I didn’t receive an error message to let me know this until I removed the UpdatePanel and tried it again. Once I added the handler for the event, it worked just fine. So I added the UpdatePanel back and everything now works as it should.
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