public class TLiteralDic : Dictionary<int, string>
{
    //Lookup method
    public string getLiteral(int key)
    {
        if (ContainsKey(key)) {
            return this[key];
        }
        return string.Empty;
    }
}

public static void fill(this TLiteralDic dic, RNDropDownList ddlst)
{
   ddlst.Items.Clear();
   foreach (KeyValuePair<int, string> v in dic) {
      ddlst.Items.Add(new ListItem(v.Value, v.Key.ToString()));
   }
}

public static class TLiterals
{

private static TLiteralDic _fileStatus;
public static TLiteralDic FileStatus
{
    get
    {
        if (_fileStatus == null) {
            _fileStatus = new TLiteralDic() {
                {TFiles.Status.Cancelled,   Lists.FileStatus_Cancelled},
                {TFiles.Status.Closed,      Lists.FileStatus_Closed},
                {TFiles.Status.OnHold,      Lists.FileStatus_OnHold},
                {TFiles.Status.Open,        Lists.FileStatus_Open},
                {TFiles.Status.Pending,     Lists.FileStatus_Pending},
                {TFiles.Status.Portal,      Lists.FileStatus_Portal}
            };
        }
        return _fileStatus;
    }
}

//... hundred of lists like that, short and long (up to 15 entries)

}

textStatus.Text = TLiterals.FileStatus.getLiteral(row.FileStatus);

TLiterals.FileStatus.fill(ddlstFileStatus);

public static TLiteralDic FileStatus = new TLiteralDic () {
                {TFiles.Status.Cancelled,   Lists.FileStatus_Cancelled},
                {TFiles.Status.Closed,      Lists.FileStatus_Closed},
                {TFiles.Status.OnHold,      Lists.FileStatus_OnHold},
                {TFiles.Status.Open,        Lists.FileStatus_Open},
                {TFiles.Status.Pending,     Lists.FileStatus_Pending},
                {TFiles.Status.Portal,      Lists.FileStatus_Portal}
}