Outside Dropdown list selectedIndexChanged event Bind Repeater values?

Sub ddlID_SelectedIndexChanged(sender As Object, e As EventArgs)

        Dim strConnection As String = "Data Source=RS-RAJSEKHAR\MSSQLSERVER12;Initial Catalog=Test;Integrated Security=true"
        Dim cmdText As String = "SELECT [id], [name], [address],[email] FROM [tbl_StudentRecord] where id=@id"

        Dim data As New DataTable()
        Dim adapter As New SqlDataAdapter(cmdText, strConnection)
        adapter.SelectCommand.Parameters.AddWithValue("@id", ddlID.SelectedValue)
        adapter.Fill(data)
        rptbind.DataSource = data
        rptbind.DataBind()
    End Sub