LinkButton inside a repeater inside an update panel causing full postback ASP.NET C#

If you place a Linkbutton inside a repeater inside an UpdatePanel the button will cause a full postback.

A way around this is to register the LinkButton for Asynchronous postback in the code behind.

Code to do this:

foreach (RepeaterItem ri in rpt.Items)
{
if (ri.ItemType == ListItemType.Item || ri.ItemType == ListItemType.AlternatingItem)
{
LinkButton lb = (LinkButton)ri.FindControl("lb");
ScriptManager1.RegisterAsyncPostBackControl(lb);
}
}