server/AyaNova/DataList/DataListSqlFilterOrderByBuilder.cs

@@ -19,6 +19,7 @@ namespace AyaNova.DataList
 
             //iterate the datafilter and concatenate a sql query from it
             //  [{key:"COLUMN UNIQUE KEY ID",sort:"-" or "+",filter:{any:true/false,items:[{FILTER OBJECT SEE BELOW}]} }, {key:"second column unique key"},{...etc...}]
+            bool SortItemAdded = false;
             for (int i = 0; i < listViewArray.Count; i++)
             {
                 var cm = listViewArray[i];
@@ -31,8 +32,9 @@ namespace AyaNova.DataList
                 var dir = cm["sort"].Value<string>();
                 //Get the correct sql column name
                 AyaDataListFieldDefinition DataListField = objectFieldsList.FirstOrDefault(x => x.FieldKey == fld);
-                 //No sorting on custom fields!
-                if(DataListField.IsCustomField){
+                //No sorting on custom fields!
+                if (DataListField.IsCustomField)
+                {
                     continue;
                 }
 #if (DEBUG)
@@ -44,15 +46,15 @@ namespace AyaNova.DataList
 #endif
                 var SQLValueColumnName = DataListField.GetSqlValueColumnName();
 
-                sb.Append(" ");
+                if (SortItemAdded)
+                    sb.Append(", ");
+                else
+                    sb.Append(" ");
                 sb.Append(SQLValueColumnName);
                 sb.Append(" ");
                 sb.Append(dir == "+" ? "ASC" : "DESC");
 
-                if (i < listViewArray.Count - 1)
-                {
-                    sb.Append(",");
-                }
+                SortItemAdded = true;
             }
 
             if (sb.Length == 0)