How to create dail report without using save popup

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C#3.5

MS-Access

Hi all im creating one application in there i want to show daily report should be download at specific time i written code also but it wont work
Actually what i want report should download automatically in time which is specified

What I have tried:

On form load i written

 private void Form3_Load(object sender, EventArgs e)
        {
             if((DateTime.Now==DateTime.Today) &&(DateTime.Now.Hour==22) &&(DateTime.Now.Minute==00))
            {
                report_data();
            }
}

made report_data method

private void report_data()
      {
          OleDbConnection cnn = new OleDbConnection();
          string sql = null;
          string data = null;
          int i = 0;
          int j = 0;

          Excel.Application xlApp;
          Excel.Workbook xlWorkBook;
          Excel.Worksheet xlWorkSheet;
          object misValue = System.Reflection.Missing.Value;

          xlApp = new Excel.Application();
          xlWorkBook = xlApp.Workbooks.Add(misValue);
          xlWorkSheet = (Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);
          string connectionString = null;
          connectionString = ConfigurationManager.ConnectionStrings["AccessConnectionString"].ConnectionString;
          cnn.ConnectionString = connectionString;
          cnn.Open();
          sql = "SELECT User_name,Sales_count from LOGIN  order by User_ID desc";
          OleDbDataAdapter dscmd = new OleDbDataAdapter(sql, cnn);
          DataSet ds = new DataSet();
          dscmd.Fill(ds);
          cnn.Close();

          for (i = 0; i <= ds.Tables[0].Rows.Count - 1; i++)
          {

              for (j = 0; j <= ds.Tables[0].Columns.Count - 1; j++)
              {
                  xlWorkSheet.Cells[1, j + 1] = ds.Tables[0].Columns[j].Caption;
                  data = ds.Tables[0].Rows[i].ItemArray[j].ToString();
                  xlWorkSheet.Cells[i + 2, j + 1] = data;
              }
          }

          System.Windows.Forms.SaveFileDialog saveDlg = new System.Windows.Forms.SaveFileDialog();
          saveDlg.InitialDirectory = @"C:\";
          saveDlg.Filter = "Excel files (*.xls)|*.xls";
          saveDlg.FilterIndex = 0;
          saveDlg.RestoreDirectory = true;
          saveDlg.Title = "Export Excel File To";
          xlWorkBook.Close(true, misValue, misValue);
          //xlWorkSheet.Name = "Daily_report" + DateTime.Now.ToString("ddMMyyyHHmmss"
          MessageBox.Show("File Downloaded successfully...");
          xlApp.Quit();
          releaseObject(xlWorkSheet);
          releaseObject(xlWorkBook);
          releaseObject(xlApp);

      }