BC30203: Identifier expected.

Hi.

I'm pretty new with .net and I need to export some data to a browser and i'm getting compiler error when I run the browser viewer. from the code at the bottom can any see what I've messed up. Thanks in advance.
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: BC30203: Identifier expected.
Line 19:                   
Line 20:                   <asp:Repeater id="Repeater1" runat="server">
Line 21:       <ItemTemplate>       <%# Container.DataItem.("rel_qty")%>
Line 22:             
Line 23:       </ItemTemplate>
Source File: c:\inetpub\wwwroot\subSP\SpeciaProjectForm.aspx    Line: 21

Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim temp = txtprojectnum.Text

    End Sub

    Sub btngetproject_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btngetproject.Click
        'Put user code to initialize the page here

        Dim ConCC As SqlConnection
        Dim cmdSelect As SqlCommand
        'Dim StrConCC As String
        Dim Strselect As String
        Dim projnumber As String
        Dim sortOrder

        Dim supplierdata As SqlDataReader

        projnumber = txtprojectnum.Text
        'sortOrder = SortOrderDrp.SelectedValue


        'StrConCC = ConfigurationSettings.AppSettings("ccConString")
        ConCC = New SqlConnection("server=(thunder);database=Avalanche_890382671;Trusted_Connection=yes")

        ConCC.Open()
        'begin purchasing query
        Strselect = "sp_speciprj"
        cmdSelect = New SqlCommand(Strselect, ConCC)
        cmdSelect.CommandType = CommandType.StoredProcedure
        cmdSelect.Parameters.Add("@pid", projnumber)
        'cmdSelect.Parameters.Add("@Location_id", sortOrder)
        cmdSelect.CommandTimeout = 0
        supplierdata = cmdSelect.ExecuteReader()

        Repeater1.DataSource = supplierdata
        Repeater1.DataBind()
        supplierdata.Close()


        ConCC.Close()
    End Sub