public void OpenExcelFile(string filename)
        {
            bool   ret;
            string newfilepath;

            newfilepath = pathname + filename;

            //Open
            try
            {
                //ret = FpSpread1.OpenExcel(@"\\192.168.198.8\c$\Web Projeleri\diler\diler.Web\Documents\alyajlar.xls");
                //ret = FpSpread1.OpenExcel(@"\\WEBSERVER2\Documents\Documents\alyajlar.xls");
                ret = FpSpread1.OpenExcel("http:\\192.168.198.8\\Documents\\alyajlar.xls");



                if (ret == false)
                {
                    //Error opening file
                    //Label2.ForeColor = Color.Red;
                    //Label2.Text = "PROBLEM: Could not open file - " + newfilepath;
                }
            }
            catch (Exception ex)
            {
                string c = ex.Message;
                //Label2.ForeColor = Color.Red;
                //Label2.Text = ex.Message.ToString();
            }
        }
        protected void Button4_Click(object sender, EventArgs e)
        {
            string excelFilePath = @"\\192.168.198.8\Documents\alyajlar.xlsx";

            System.IO.FileInfo file = new System.IO.FileInfo(excelFilePath);

            if (file.Exists)
            {
                FarPoint.Web.Spread.FpSpread  fpSpread1 = new FarPoint.Web.Spread.FpSpread();
                FarPoint.Web.Spread.SheetView shv       = new FarPoint.Web.Spread.SheetView();
                Controls.Add(fpSpread1);
                //  fpSpread1.Sheets.Add(shv);
                string fileName;
                fileName = excelFilePath;
                //fpSpread1.OpenExcel(fileName);


                //FpSpread1.OpenExcel(fileName, FarPoint.Excel.ExcelOpenFlags.NoFlagsSet);
                FpSpread1.OpenExcel(@"\\192.168.198.8\Documents\alyajlar.xlsx", FarPoint.Excel.ExcelOpenFlags.NoFlagsSet);

                FpSpread1.ActiveSheetView.PageSize = FpSpread1.Rows.Count;
            }
            else
            {
                MessageBox.Show("Yuklenecek Dosyayı Seçin...", MessageBox.MesajTipleri.Error, false, 5);
            }

            //if (FileUpload1.PostedFile.FileName != "")
            //{
            //    try
            //    {
            //            appdirname = Request.ApplicationPath;
            //            pathname = HttpContext.Current.Server.MapPath(Request.ApplicationPath);
            //            OpenExcelFile("Documents\\"+ FileUpload1.PostedFile.FileName);

            //            FpSpread1.Sheets[0].PageSize = 20;
            //            FpSpread1.Sheets[0].AllowPage = false;
            //    }
            //            catch (IOException ex)
            //    {
            //          // Label1.Text = "dosya yok";
            //    }

            //}
            //    else
            //{
            //    MessageBox.Show("Yuklenecek Dosyayı Seçin...", MessageBox.MesajTipleri.Error, false, 5);
            //}
        }