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copied!<p>OK, I came up with something which continues Aliosted and asowyer start suggestions, here it is. You can see I still having trouble with the index access of composed objects. Thnaks for your help. </p> <pre><code> #region object data ... var model = new HcmlDocumentProductionModel(); model.CaseID = "A001"; model.CaseConductor = new CaseConductor(); model.CaseConductor.AField = "AField"; model.CaseConductor.Person = new Person(); model.CaseConductor.Person.Surname = "{Smith}"; model.CaseConductor.Person.DOB = DateTime.Now; model.CaseConductor.CaseNoteList = new List<Note>(); model.CaseConductor.CaseNoteList.Add(new Note { NoteText = "A-1", NoteDt = DateTime.Now, NoteTypeEnum = NoteTypeEnum.CaseNote }); model.CaseConductor.CaseNoteList.Add(new Note { NoteText = "B-2", NoteDt = DateTime.Now, NoteTypeEnum = NoteTypeEnum.ReferralNote }); model.CaseConductor.CaseNoteList.Add(new Note { NoteText = "C-3", NoteDt = DateTime.Now, NoteTypeEnum = NoteTypeEnum.StatusNote }); model.CaseConductor.CaseNoteList.Add(new Note { NoteText = "d-3", NoteDt = DateTime.Now, NoteTypeEnum = NoteTypeEnum.CaseNote }); model.CaseConductor.CaseNoteList.Add(new Note { NoteText = "e-3", NoteDt = DateTime.Now, NoteTypeEnum = NoteTypeEnum.StatusNote }); model.CaseConductor.CaseNoteList.Add(new Note { NoteText = "f-3", NoteDt = DateTime.Now, NoteTypeEnum = NoteTypeEnum.CaseNote }); #endregion string head = ""; string tail = ""; // tail tail = "".Tail(); tail = "Surname".Tail(); tail = "Person.Surname".Tail(); tail = "CaseConductor.Person.Surname".Tail(); // head head = "".Head(); head = "Surname".Head(); head = "Person.Surname".Head(); head = "CaseConductor.Person.Surname".Head(); // ObjectDictionary //var person = new Person { Surname = "Smith" }; //var d = person.ObjectDictionary(); //object ovalue = d["Surname"]; // get value special object o2 = model.CaseConductor.Person.ValueByKey("Surname"); object o3 = model.CaseConductor.Person.ValueByKey("DOB"); object o4 = model.CaseConductor.ValueByKey("Person.Surname"); object o5 = model.ValueByKey("CaseConductor.Person.Surname"); // get the list of ... object o6 = model.ValueByKey("CaseConductor.CaseNoteList"); // get item - index thing does not work - get anull here string noteText = model.CaseConductor.CaseNoteList[1].NoteText; object o7 = model.ValueByKey("CaseConductor.CaseNoteList[1].NoteText"); namespace Zed { public static class Zed { public static object ValueByKey(this object o, string key) { if (!String.IsNullOrEmpty(key)) { if (!key.Contains(".")) { return (o.ObjectDictionary())[key]; } else { // key contains a dot ; therefore get object by the name of the head // and pass on that object and get propety by the tail var d = o.ObjectDictionary(); var head = key.Head(); if (head.Contains("[")) { string headMinusIndexer = head.Substring(0, head.IndexOf("[")); string indexString = head.Between("[", "]"); int index = Convert.ToInt32(indexString); object oArray = d[headMinusIndexer]; //List<object> oList= d[headMinusIndexer]; // now get the object with the index, ... and continue //object el = ((object[])oArray)[index]; return null; } else { var onext = d[head]; return onext.ValueByKey(key.Tail()); } } } return null; } public static Dictionary<string,object> ObjectDictionary(this object o) { return o.GetType().GetProperties().ToDictionary(p => p.Name, p => p.GetValue(o, null)); } public static string Head(this string key) { var head = String.Empty; var splittBy = '.'; if (!String.IsNullOrEmpty(key)) { var keyArray = key.Split(splittBy); head = keyArray[0]; } //-Return return head; } public static string Tail(this string key) { var tail = ""; var splittBy = '.'; if (!String.IsNullOrEmpty(key)) { var keyArray = key.Split(splittBy); for (int i = 1; i < keyArray.Length; i++) { tail += (i > 1) ? "." + keyArray[i] : keyArray[i]; } } //-Return return tail; } public static string Between(this string head, string start, string end) { string between = String.Empty ; between = head.Substring(head.IndexOf(start) + 1, head.IndexOf(end) - head.IndexOf(start) - 1); return between; } public static object ZGetValue( this object o, string propertyName) { Type type = o.GetType(); PropertyInfo propertyInfo = type.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(x => x.Name == propertyName).FirstOrDefault(); if (propertyInfo != null) { return propertyInfo.GetValue(o, BindingFlags.Instance, null, null, null); } else { return null; } } } } </code></pre>

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