RadGrid number of items determines time for AJAX postback

[Timothy]

The more items you add to a grid the longer it takes to invoke a GridButtonColumn event is there some means to ensure that the button does a postback without posting back the entire grid??

[Richard]

Timothy:

Not sure if you've seen it, but take a look at the GridButtonColumn-Prevent Post Back? forum thread for some insights on controlling a postback when a button click event occurs.

Hope this helps,

[Timothy]

Jumpstart: I do need to do a postback the reason being I am using a customised AjaxControlToolkit to dynamically load a Modal popup to edit the specific row. What I am trying to figure out is how to do this so that the response body to the postback doesn't send back the page that the postback is coming from. I only need to load the page again or more specifically the grid depending on the parameters passed back from the Modal popup. I have got round this in the past by limiting the number of rows displayed in the grid - but after converting to a RadGrid and customising the Pager so that it has an All record feature on it - it has became more of an issue.

I have experimented with using :-
EditIt.Attributes.Add("onClick", RadAjaxManager.GetCurrent(Page).GetAjaxEventReference("Edit:" + current_record["CustomerID"].ToString()));

but still get the large postback in the response body.