server/AyaNova/DataList/DataListFetcher.cs

@@ -85,7 +85,7 @@ namespace AyaNova.DataList
                 qWhere = DataListSqlFilterCriteriaBuilder.DataFilterToSQLCriteria(DataList.FieldDefinitions, TheFilter, DataList.FieldDefinitions, UserId);
                 //ORDER BY CLAUSE - SORT 
                 //BUILD ORDER BY AND APPEND IT
-                qOrderBy = DataListSqlFilterOrderByBuilder.DataFilterToSQLOrderBy(TheFilter);
+                qOrderBy = DataListSqlFilterOrderByBuilder.DataFilterToSQLOrderBy(DataList.FieldDefinitions, TheFilter);
             }
 
             //LIMIT AND OFFSET CLAUSE - PAGING

server/AyaNova/DataList/DataListSqlFilterOrderByBuilder.cs

@@ -1,5 +1,7 @@
 using System.Text;
+using System.Linq;
 using Newtonsoft.Json.Linq;
+using System.Collections.Generic;
 
 namespace AyaNova.DataList
 {
@@ -10,7 +12,7 @@ namespace AyaNova.DataList
 
         // public static string DefaultPickListOrderBy => "ORDER BY NAME ASC";
 
-        public static string DataFilterToSQLOrderBy(AyaNova.Models.DataListFilter dataFilter)
+        public static string DataFilterToSQLOrderBy(List<AyaDataListFieldDefinition> objectFieldsList, AyaNova.Models.DataListFilter dataFilter)
         {
 
             if (string.IsNullOrWhiteSpace(dataFilter.Sort))
@@ -28,9 +30,19 @@ namespace AyaNova.DataList
                 var SortItem = SortArray[i];
                 var fld = SortItem["fld"].Value<string>();
                 var dir = SortItem["dir"].Value<string>();
-                
+                //Get the correct sql column name
+                AyaDataListFieldDefinition DataListField = objectFieldsList.FirstOrDefault(x => x.FieldKey == fld);
+#if (DEBUG)
+                //Developers little helper
+                if (DataListField == null)
+                {
+                    throw new System.ArgumentNullException($"DEV ERROR in DataListSqlFilterOrderByBuilder.cs: field {fld} specified in template was NOT found in ObjectFields list");
+                }
+#endif
+                var SQLValueColumnName = DataListField.GetSqlValueColumnName();
+
                 sb.Append(" ");
-                sb.Append(fld);
+                sb.Append(SQLValueColumnName);
                 sb.Append(" ");
                 sb.Append(dir == "+" ? "ASC" : "DESC");