HBM.Customers.CheckFromURL C# (CSharp) Method

        private void CheckFromURL()
        {
            try
            {
                if (Request.QueryString["FromURL"] != null && Request.QueryString["FromURL"].Trim() != String.Empty)
                {
                    hdnFromURL.Value = Request.QueryString["FromURL"].Trim();
                }
            }
            catch (System.Exception)
            {

            }
        }