Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid
  Private Sub Button19_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button19.Click
      Dim dateColumn As UltraGridColumn = Me.ultraGrid1.DisplayLayout.Bands(1).Columns("OrderDate")
      Dim numericColumn As UltraGridColumn = Me.ultraGrid1.DisplayLayout.Bands(2).Columns("Unit Price")
      ' Put min and max constraints on a date column.
      dateColumn.MinValue = New DateTime(1990, 1, 1)
      dateColumn.MaxValue = New DateTime(2010, 12, 31)
      ' Put a min value constraint on a numeric column.
      numericColumn.MinValue = 0.0
  End Sub