I have build a masterpage, the Content[pageholder have i included in the page where i would like to use a Repeater. But somehome this doesn't word. somebody help me!!

aspx:

<%@ Page MasterPageFile="~/MasterPage.master" %>

<asp:Content ID="m_oContentRenters" ContentPlaceHolderID="PlaceHolderMookBeheer" runat="server">

<asp:Repeater id="m_oRepeaterTest" runat="server">
    <ItemTemplate>
        <%#DataBinder.Eval(Container.DataItem, "TES_Name")%>
    </ItemTemplate>
</asp:Repeater>

</asp:Content>

aspx.cs:

using System;
using System.Data;
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;

public partial class Content : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string sQry = string.Format(@"SELECT * FROM TblTest");
        string connectionString = ConfigurationManager.ConnectionStrings["Test"].ConnectionString;
       
        SqlConnection conDotNet = new SqlConnection(connectionString);
       
        SqlCommand cmd = new SqlCommand(sQry, conDotNet);
        conDotNet.Open();
        SqlDataReader dtrCat = cmd.ExecuteReader();
        m_oRepeaterTest.DataSource = "TEst";
        m_oRepeaterTest.DataBind();
    }
}