Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ' This causes the page to associate Enter key with cmdAddIt button click event. ' (source: Universal Thread Message ID: 814613, http://www.levelextreme.com) Page.RegisterHiddenField("__EVENTTARGET", "cmdAddIt") End SubAlso, take a look at thread 849502