I added stripItem,.Title to check for a specific tab.
Private Sub radGridView1_ToolTipTextNeeded(sender As Object, e As ToolTipTextNeededEventArgs) Handles rdg1.ToolTipTextNeeded Dim stripItem As RadPageViewStripItem = TryCast(sender, RadPageViewStripItem) If stripItem IsNot Nothing Then If stripItem.Title = "Details" Then e.ToolTipText = "(Last 30 days)" End If End If End Sub