private void LoadLogs()
    {
        string   file_type = cboAccessLevel.SelectedValue.ToString();
        DateTime FromDate  = bll.ReturnDate(txtfromDate.Text.Trim(), 1);
        DateTime ToDate    = bll.ReturnDate(txttoDate.Text.Trim(), 2);

        dataTable = datafile.GetFileProcesses(file_type, FromDate, ToDate);
        DataGrid1.CurrentPageIndex = 0;
        DataGrid1.DataSource       = dataTable;
        DataGrid1.DataBind();
    }