I am using a simple JavaScript to receive a row from [Data Extension Server-Side JavaScript Functions] 1 in ExactTarget and display the retrieved row on Landing Page . As below

<script runat="server">  Platform.Load("core", "1");
var birthdayDE = DataExtension.Init("birthdayDE");
var filter = {
    Property: "EmailAddress",
    SimpleOperator: "equals",
    Value: "[email protected]"
};
var data = birthdayDE.Rows.Retrieve(filter);
if (data.length > 0) {
    Write("<table border='1' cellpadding='2' cellspacing='3' style='border-collapse:collapse;>");
    for (var i = 0; i <= data.length; i++) {
        var d = data[i];
        Write("<tr>");
        for (var key in d) {
            Write("<td>" + d[key] + "</td>");
        }
        Write("</tr>");
    }
    Write("</table>");} </script>

Somehow it does not show me any results nor give any errors.