private void HighlightExistedFiscalYears()
        {
            StoredProcedures sp = new StoredProcedures();

            DataSet fiscalYears = sp.GetExistedFiscalYears();

            for (int i = 0; i < YearDropDownList.Items.Count; i++)
            {
                foreach (DataRow row2 in fiscalYears.Tables[0].Rows)
                {
                    String fiscalYear = row2[0].ToString();

                    if (fiscalYear.Substring(fiscalYear.Length - 4) == YearDropDownList.Items[i].Value.ToString())
                    {
                        YearDropDownList.Items[i].Attributes.Add("style", "color: silver");
                    }
                }
            }
        }