protected void Page_Load(object sender, EventArgs e) { int totalCount = 0; supplierChannelList = bllUser.GetSupplierChannelList(bllUser.WebsiteOwner, 1, int.MaxValue, "", "", out totalCount); supplierChannelList = supplierChannelList.OrderBy(p => p.Company).ToList(); DateTime dtFrom = new DateTime(2017, 1, 1); yearList.Add(2017); if (DateTime.Now.Year > dtFrom.Year) { for (int i = 0; i < DateTime.Now.Year - dtFrom.Year; i++) { DateTime dt = dtFrom.AddYears(i + 1); yearList.Add(dt.Year); } } }