save pdf na disk

Živjo,

imam en problem in sicer bi rad da ko kliknem na gumb se mi report avtomatsko shrani da disk v pdf obliki. Prikazat ga znam v pdf-ju samo nikakor ga ne morem shraniti.

Ima kdo kakšno idejo? Delam pa v VS2003 asp.net (C#)

hvala
lp


private void Button1_Click(object sender, System.EventArgs e)
{
SqlConnection sqlConnection1 = new SqlConnection(ConfigurationSettings.AppSettings["povezava"]);
SqlDataAdapter da = new SqlDataAdapter("select * from posta1" , sqlConnection1 );
da.Fill(dataSet11,"posta1");
myReport.Load(Server.MapPath(Request.ApplicationPath)+"\\CrystalReport1.rpt");
MemoryStream oStream; // using System.IO
myReport.SetDataSource(dataSet11);
oStream = (MemoryStream)
myReport.ExportToStream(
CrystalDecisions.Shared.ExportFormatType.PortableDocFormat );
Response.Clear();
Response.Buffer= true;
Response.ContentType = "application/pdf";
Response.BinaryWrite(oStream.ToArray());
Response.End();
}