passing parameters between asp.net web forum and reporting services report

Hi,

I have this code:


xxx.aspx

<rsweb:ReportViewer runat="server" ID="ReportViewer1" Font-Names="Verdana" Font-Size="8pt"
Height="532px" ProcessingMode="Remote" Width="100%" visible="false">
<ServerReport ReportPath="/OEE_REPORTS/Equipment_Availability_Analysis"
ReportServerUrl="http://Kineret/ReportServer"/>
</rsweb:ReportViewer>

xxx.aspx.cs

protected void Submit_Click(object sender, EventArgs e)
{
if (FromDate.SelectedDate > ToDate.SelectedDate)
{
//Response.Write(@"<script language='javascript'>alert('From Date can not be greater than To Date!');</script> ...