Update an ASP.Net grid control automatically with database changes from another user

In my ASP.Net application I have several pages that provide a list of items from the database. Currently we are using an UpdatePanel to refresh the whole list on a certain interval so that changes from other users will be prop开发者_如何学JAVAagated the screen. Obviously this isn't very efficient and we don't think it will scale well.

What are some other methods for accomplishing this. Is there a specific pattern for addressing this issue?

Use a webservice and javascript timeout to update the values in the client, will be much faster

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