Autocomplete with jQuery and asp repeater fills ID

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ASP.NET

Ajax

jQuery

JSON

ASMX

I have a asp:Textbox with autocomplete, the data comes from a webservice and returns Json data. When a item is selected it puts a value (the id) into a 'hidden' field and the price into another textbox . This all works fine. But when I put more or less the same code into a asp:repeater it doesn't do the autocomplete.

This is a graps from my asp code:

<script src="Scripts/jquery-1.4.4.min.js" type="text/javascript"></script>
<script src="Scripts/jquery-ui-1.8.10.custom.min.js" type="text/javascript"></script>
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
<asp:TextBox runat="server" id="txtItem2" style="width:500px"/><br />
<asp:TextBox runat="server" ID="txtHiddenItemID2"  />  <br />
<asp:TextBox runat="server" ID="txtPrice2" />
<asp:Repeater ID="rptArtLijnen" runat="server"
    onitemcommand="rptArtLijnen_ItemCommand">
    <HeaderTemplate>
        <table border="Solid">
            <tr>....
            </tr>
    </HeaderTemplate>
    <ItemTemplate>
            <tr>
                <div class="ItemAutoComplete" id="ItemAutoCompleteDiv">
                    <td>
                            <asp:TextBox runat="server"  ID="txtItem" Text='<%#Eval("Item") %>' class="txtItemclass" />
                            <asp:TextBox ID="txtHiddenItemID" runat="server" class="txtHiddenItemclass"/>
                    </td>
                    <td><asp:TextBox runat="server" ID="txtPrice" value='<%#Eval("Price") %>'/></td>
                </div>
            </tr>
    </ItemTemplate>
    <FooterTemplate>
     </Table>
    </FooterTemplate>
</asp:Repeater>

This is my jQuery code:

$(document).ready(function () {
		//this handles the textbox out of the repeater
		$.ajax({
			type: "POST",
			url: "AutoCompleteItems.asmx/GetItemJ",
			dataType: "json",
			data: "{ 'data': '" + document.getElementById("txtItem2").value + "' }",
			contentType: "application/json; charset=utf-8",
			success: function (data) {
				$('#txtItem2').autocomplete({
					minLength: 0,
					source: data.d,
					focus: function (event, ui) {
						$('#txtItem2').val(ui.item.value);
						return false;
					},
					select: function (event, ui) {
						$('#txtItem2').val(ui.item.ItemCode + " " + ui.item.Description);
						$('#txtHiddenItemID2').val(ui.item.ID);
						$('#txtPrice2').val(ui.item.Price);
						return false;
					}
				});
			},
			error: function (XMLHttpRequest, textStatus, errorThrown) {
				alert(textStatus + errorThrown);
			}
		});

		//this handles the textbox in the repeater
		$(".ItemAutoComplete").each(function (i, element) {
			var txtItem = $(this).find('input[id*=txtItem]:first')
			var txtHiddenItemID = $(this).find('input[id*=txtHiddenItemID]:first')
			var txtPrice = $(this).find('input[id*=txtPrice]:first')

			$.ajax({
				type: "POST",
				url: "AutoCompleteItems.asmx/GetItemJ",
				//async: false,
				//cache: false,
				dataType: "json",
				data: "{ 'data': '" + txtItem.val() + "' }",
				contentType: "application/json; charset=utf-8",
				success: function (data) {
					txtItem.autocomplete({
						minLength: 0,
						source: data.d,
						focus: function (event, ui) {
							txtItem.val(ui.item.value);
							return false;
						},
						select: function (event, ui) {
							txtItem.val(ui.item.ItemCode + " " + ui.item.Description);
							txtHiddenItemID.val(ui.item.ID);
							txtPrice.val(ui.item.Price);
							return false;
						}
					});
				},
				error: function (XMLHttpRequest, textStatus, errorThrown) {
					alert(textStatus + errorThrown);
				}
			});

		});
	});

This is my webmethod (which works with the textbox) with the class:

[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public List<ItemJ>  GetItemJ(string data) {
   List<ItemJ> ItemJs = new List<ItemJ>();
    //if (Request.QueryString["q"] != null)
    //{
        try
        {
            DataContext d = new DataContext();
            List<string> typeList = "P R".Split(" ".ToCharArray()).ToList();
            //List<string> conditionList = "A D F".Split(" ".ToCharArray()).ToList();
            ItemJs = (from i in d.Items
                      join a in d.ItemAssortments on i.Assortment equals a.Assortment
                      where a.SecurityLevel <= 999
                      where i.SecurityLevel <= 999
                             && a.SecurityLevel <= 999
                             && i.IsSalesItem == true
                             && !typeList.Contains(i.Type.ToString())
                             && (new string[] { "A", "D", "F" }).Contains(i.Condition.ToString())
                             && (SqlMethods.Like(i.Description, "%" + data + "%") || SqlMethods.Like(i.ItemCode,  data + "%"))
                      orderby i.ItemCode
                      select new ItemJ
                      {
                          //value = i.ItemCode,// + " " + i.ItemCode + " ",
                          ItemCode = i.ItemCode,
                          Description = i.Description, //+ " " + i.ItemCode + " ",
                          ID = i.ID.ToString(),
                          Price = i.PurchasePrice.ToString()
                      }).Take(10).ToList();
        }
        catch (Exception ex)
        {
            throw new Exception(ex.Message);
            //return null;
        }
    //}
    return ItemJs;
}

public class ItemJ //: Item
{
    //string _name;
    string _value;
    public string value
    {
        get { return _Description + " (" + _ItemCode + ")"; }
        //set { _value = value; }
    }
    string _Description;
    public string Description
    {
        get { return _Description; }
        set { _Description = value; }
    }
    string _ID;
    public string ID
    {
        get { return _ID; }
        set { _ID = value; }
    }
    string _ItemCode;
    public string ItemCode
    {
        get { return _ItemCode; }
        set { _ItemCode = value; }
    }
    string _Price;
    public string Price
    {
        get { return _Price; }
        set { _Price = value; }
    }
}

I've spent hours on this, can somebody give me a clue?