Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
Imports Infragistics.Win.CalcEngine
Imports Infragistics.Win.UltraWinCalcManager
Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button1.Click
Me.ultraCalcManager1.SuspendNotificationProcessing()
Dim i As Integer
For i = 0 To Me.ultraGrid1.Rows.Count - 1
Me.ultraGrid1.Rows(i).Cells(1).Value = i
Next
Me.ultraCalcManager1.ResumeNotificationProcessing(True)
End Sub