hi i am getting same problem how i can resolve this . my code is
Response.Clear();
Response.ContentType = "image/png";
Response.AddHeader("content-disposition", "attachment;filename=print.png");
DayPilotScheduler1.DataBind();
MemoryStream img = DayPilotScheduler1.Export(ImageFormat.Png);
img.WriteTo(Response.OutputStream);
Response.End();
please help me ASAP.