private void dgRequests_ItemCommand(object source, DataGridCommandEventArgs e)
        {
            HtmlInputHidden hidRequestId = (HtmlInputHidden)e.Item.FindControl("hidRequestId");

            if (hidRequestId != null)
            {
                int requestId = Convert.ToInt32(hidRequestId.Value);

                switch (e.CommandName.ToLower())
                {
                case "edit":
                    Response.Redirect("AddUpdateDriverRequest.aspx?requestId=" + requestId.ToString());
                    break;

                case "delete":
                    Facade.IDriverRequest facDriverRequest = new Facade.Resource();
                    if (facDriverRequest.Delete(requestId, ((Entities.CustomPrincipal)Page.User).UserName))
                    {
                        lblConfirmation.Text = "The request has been deleted.";
                    }
                    else
                    {
                        lblConfirmation.Text = "The request has not been deleted.";
                    }
                    lblConfirmation.Visible = true;

                    FilterRequests();
                    break;
                }
            }
        }