Public Class UltraGridGroup 
   Inherits Infragistics.Shared.KeyedSubObjectBase
   Implements Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx, Infragistics.Win.Layout.ILayoutGroup, IProvideRowLayoutColumnInfo 

public class UltraGridGroup : Infragistics.Shared.KeyedSubObjectBase, Infragistics.Shared.IKeyedSubObject, Infragistics.Shared.IKeyedSubObjectEx, Infragistics.Win.Layout.ILayoutGroup, IProvideRowLayoutColumnInfo  

Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinGrid

  Private Sub Button28_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles button28.Click

      ' Get the band to have the groups in.
      Dim band As UltraGridBand = Me.ultraGrid1.DisplayLayout.Bands(0)

      Dim group1 As UltraGridGroup = Nothing
      Dim group2 As UltraGridGroup = Nothing

      ' Clear existing groups if any.
      band.Groups.Clear()

      ' Add two groups with two different keys. First arguement to the Add call is
      ' the key and the second arguement is the caption of the group.
      group1 = band.Groups.Add("Group1", "Address Info")
      group2 = band.Groups.Add("Group2", "Contact Info")

      ' If you don't want group headers displayed, set this to false. By default 
      ' it's true.
      band.GroupHeadersVisible = False

      ' Set the LevelCount to desired number of levels. Level 0 is the first row in
      ' the group, while level 1 is the second row in the group and so on. Here we 
      ' are going to have 2 levels.
      band.LevelCount = 2

      ' Add ContactName column to the first level (level 0) of group1 with visible 
      ' position of 0 (meaning it will appear first in that level. There is only 
      ' one header in this particular level level anyways.)
      group1.Columns.Add(band.Columns("ContactName"), 0, 0)

      ' Add City column to second level (level 1) with visible position of 0. And 
      ' also add the Country column to the same level with the visible position of 
      ' 1 so that it appears after City column.
      group1.Columns.Add(band.Columns("City"), 0, 1)
      group1.Columns.Add(band.Columns("Country"), 1, 1)

      ' Add Fax and Phone columns to group2 on different levels.
      group2.Columns.Add(band.Columns("Fax"), 0, 0)
      group2.Columns.Add(band.Columns("Phone"), 0, 1)

      ' Prevet the users from moving groups and columns by setting AllowGroupMoving 
      ' and AllowColMoving to NotAllowed.
      band.Override.AllowGroupMoving = AllowGroupMoving.NotAllowed
      band.Override.AllowColMoving = AllowColMoving.NotAllowed

      ' One could change the various properties like RowSpacingAfter and 
      ' BorderStyleRow on the Override change the appearance.
      band.Override.RowSpacingAfter = 5
      band.Override.BorderStyleRow = Infragistics.Win.UIElementBorderStyle.Raised

  End Sub

using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.UltraWinGrid;
using System.Diagnostics;

private void button28_Click(object sender, System.EventArgs e)
{

	// Get the band to have the groups in.
	UltraGridBand band = this.ultraGrid1.DisplayLayout.Bands[0];
	 
	UltraGridGroup group1 = null;
	UltraGridGroup group2 = null;
	 		
	// Clear existing groups if any.
	band.Groups.Clear( );
	 	
	// Add two groups with two different keys. First arguement to the Add call is
	// the key and the second arguement is the caption of the group.
	group1 = band.Groups.Add( "Group1", "Address Info" );
	group2 = band.Groups.Add( "Group2", "Contact Info" );
	 
	// If you don't want group headers displayed, set this to false. By default 
	// it's true.
	band.GroupHeadersVisible = false;
	 
	// Set the LevelCount to desired number of levels. Level 0 is the first row in
	// the group, while level 1 is the second row in the group and so on. Here we 
	// are going to have 2 levels.
	band.LevelCount = 2;
	 
	// Add ContactName column to the first level (level 0) of group1 with visible 
	// position of 0 (meaning it will appear first in that level. There is only 
	// one header in this particular level level anyways.)
	group1.Columns.Add( band.Columns["ContactName"],   0,   0 );
	 
	// Add City column to second level (level 1) with visible position of 0. And 
	// also add the Country column to the same level with the visible position of 
	// 1 so that it appears after City column.
	group1.Columns.Add( band.Columns["City"],          0,   1 );
	group1.Columns.Add( band.Columns["Country"],       1,   1 );
	 
	// Add Fax and Phone columns to group2 on different levels.
	group2.Columns.Add( band.Columns["Fax"],		   0,   0 );
	group2.Columns.Add( band.Columns["Phone"],		   0,   1 );

	// Prevet the users from moving groups and columns by setting AllowGroupMoving 
	// and AllowColMoving to NotAllowed.
	band.Override.AllowGroupMoving = AllowGroupMoving.NotAllowed;
	band.Override.AllowColMoving   = AllowColMoving.NotAllowed;
	 
	// One could change the various properties like RowSpacingAfter and 
	// BorderStyleRow on the Override change the appearance.
	band.Override.RowSpacingAfter = 5;
	band.Override.BorderStyleRow = Infragistics.Win.UIElementBorderStyle.Raised;

}