StepLine and repeater | Infragistics Forums

I tried the same code with a ListBox and it works fine. But when i use a chart control it does not works.

Here is my code with a chart control.

******************In my page************************

<body>
    <form id="form1" runat="server">
        <div>
            <asp:Repeater ID="Repeater1" runat="server" OnItemDataBound="Repeater1_ItemDataBound">
                <HeaderTemplate>
                    Liste des graphes
                </HeaderTemplate>
                <ItemTemplate>

                    </BR> Region :
                    <%# DataBinder.Eval(Container.DataItem, "Region") %>

                    <igchart:UltraChart ID="UltraChart1" runat="server"

                        EmptyChartText="Data Not Available."
                        Version="8.3">

                    </igchart:UltraChart>
                </ItemTemplate>
            </asp:Repeater>
        </div>
    </form>
</body>

****************************************************

***********************In my code behind********************

using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using Infragistics.WebUI.UltraWebChart;
using Infragistics.UltraChart.Shared.Styles;

namespace ChartsTutorials.Repeater
{
    public partial class StepLineRepeater : System.Web.UI.Page
    {
        DataSet ds = new DataSet();
        DataTable dataTable;

        protected void Page_Load(object sender, EventArgs e)
        {
            DataTable regionTable = ds.Tables.Add("Regiontbl");

            regionTable.Columns.Add("RegionId", typeof(int));
            regionTable.Columns.Add("Region", typeof(string));
            regionTable.Rows.Add(1, "Laval");
            regionTable.Rows.Add(2, "MTL");
            regionTable.Rows.Add(3, "QC");

            dataTable = ds.Tables.Add("Data");
            DateTime today = DateTime.Now;
            dataTable.Columns.Add("DateTime", typeof(DateTime));
            dataTable.Columns.Add("dt1", typeof(int));
            dataTable.Columns.Add("RegionId", typeof(int));
            dataTable.Columns.Add("Id", typeof(int));
            dataTable.Rows.Add(today, 0, 1, 1);
            dataTable.Rows.Add(today.AddMinutes(5), 10, 1, 2);
            dataTable.Rows.Add(today.AddMinutes(10), -20, 1, 3);
            dataTable.Rows.Add(today.AddMinutes(15), null, 1, 4);
            dataTable.Rows.Add(today.AddMinutes(20), 40, 2, 5);
            dataTable.Rows.Add(today.AddMinutes(25), 110, 2, 6);
            dataTable.Rows.Add(today.AddMinutes(30), 120, 2, 7);
            dataTable.Rows.Add(today.AddMinutes(35), -130, 2, 8);
            dataTable.Rows.Add(today.AddMinutes(40), -140, 2, 9);
            dataTable.Rows.Add(today.AddMinutes(30), 10, 3, 7);
            dataTable.Rows.Add(today.AddMinutes(35), 20, 3, 8);
            dataTable.Rows.Add(today.AddMinutes(40), 60, 3, 9);

ds.Relations.Add("RegionWithData", regionTable.Columns["RegionId"], dataTable.Columns["RegionId"]);

Repeater1.DataSource = regionTable;
Repeater1.DataBind();

}

        protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            if (e.Item.ItemType != ListItemType.Item && e.Item.ItemType != ListItemType.AlternatingItem)
                return;

            DataTable dt = ds.Tables["Data"];
            DataView dv = new DataView();
            dv = dt.DefaultView;
            int value = (int)(((DataRowView)e.Item.DataItem).Row["RegionId"]);
            dv.RowFilter = "RegionId = " + value;

UltraChart uc = (UltraChart)e.Item.FindControl("UltraChart1");

uc.ChartType = ChartType.StepLineChart;

            uc.Data.UseRowLabelsColumn = true;
            uc.Data.RowLabelsColumn = 0;
            uc.AreaChart.TreatDateTimeAsString = false;

uc.Axis.X.Labels.ItemFormatString = "<ITEM_LABEL:dd, yyyy,mm:ss:fff>";
uc.Axis.Y.Labels.ItemFormatString = "<DATA_VALUE:##.##>";

            uc.Data.DataSource = dv;
            uc.Data.IncludeColumn(0, true);
            uc.Data.IncludeColumn(1, true);
            uc.Data.IncludeColumn(2, false);
            uc.Data.IncludeColumn(3, false);
            uc.DataBind();

        }
    }
}
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