asp.net创建PPT

代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using PPT = Microsoft.Office.Interop.PowerPoint;
using System.IO;
using System.Reflection; 

namespace WebPPT
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        public void Method()
        {
            string path;
            PPT.Application pptApp;
            PPT.Presentation pptDoc;
            path = @"d:/test.ppt";                           //path = @"d:/test.pps";
            pptApp = new PPT.Application();
            if (File.Exists(path))
            {
                File.Delete(path);
            }
            Object nothing = Missing.Value;
            pptDoc = pptApp.Presentations.Add(Microsoft.Office.Core.MsoTriState.msoFalse);
            PPT.PpSaveAsFileType format = PPT.PpSaveAsFileType.ppSaveAsDefault;
            //PPT.PpSaveAsFileType.ppSaveAsShow;
            pptDoc.SaveAs(path, format, Microsoft.Office.Core.MsoTriState.msoFalse);
            pptDoc.Close();
            pptApp.Quit();

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            Method();
        }

    }
}