private void LoadLogs()
{
user.Name = txtSearch.Text.Trim();
user.Role = cboAccessLevel.SelectedValue.ToString();
user.FromDate = bll.ReturnDate(txtfromDate.Text.Trim(), 1);
user.ToDate = bll.ReturnDate(txttoDate.Text.Trim(), 2);
dataTable = datafile.GetLogs(user);
DataGrid1.DataSource = dataTable;
DataGrid1.DataBind();
}