System.InvalidOperationException: The DataSource and DataSourceID are both set to Repeater. Remove one definition.

Hi , I'm programming a paging code in a repeater but i faced a problem :

''  System.InvalidOperationException: The DataSource and DataSourceID are both set to 'Repeater3'. Remove one definition. ''

here's my code where the problem exist

Public Sub bindrepeater()
        Dim con As New SqlConnection("Data Source=localhost;Initial Catalog=parapharmacie;Integrated Security=True")
        Dim com As New SqlCommand("sp_pag", con)
        com.CommandType = CommandType.StoredProcedure
        com.Parameters.Add("@pg", SqlDbType.Int).Value = Convert.ToInt16(txtHidden.Value)
        com.Parameters.Add("@pgSize", SqlDbType.Int).Value = 4

        Dim da As New SqlDataAdapter()
        da.SelectCommand = com

        Dim ds As New DataSet()
        da.Fill(ds)
        Repeater3.DataSource = ds
        Repeater3.DataBind()
       
    End Sub