m using folowing code,it is worlking fine,on my machine but not working after deploying it to the server
{
ProcessStartInfo psi = new ProcessStartInfo(MapPath("MaxMinTest.ppsm"));
Process p = new Process();
if (psi.FileName.Contains("pptx"))
psi.Verb = "Show";
p.StartInfo = psi;
p.Start();
}