server/AyaNova/DataList/AyaDataList.cs

@@ -39,7 +39,7 @@ namespace AyaNova.DataList
             return ret;
         }
 
-    
+
 
         public Newtonsoft.Json.Linq.JArray GenerateListColumnsJSONFromListView(JArray listViewArray)
         {
@@ -50,7 +50,8 @@ namespace AyaNova.DataList
             StringBuilder sb = new StringBuilder();
 
             sb.Append("[");
-           
+
+            bool FirstColumnAdded = false;
 
             foreach (string s in ListViewFieldKeys)
             {
@@ -66,7 +67,8 @@ namespace AyaNova.DataList
                 if (o != null)
                 {//Here is where we can vet the field name, if it doesn't exist. For production we'll just ignore those ones
 
-                    sb.Append(",");
+                    if (!FirstColumnAdded)
+                        sb.Append(",");
                     sb.Append("{");
                     //Build required part of column definition
                     sb.Append($"\"cm\":\"{o.LtKey}\",\"dt\":{(int)o.UiFieldDataType}");
@@ -74,10 +76,11 @@ namespace AyaNova.DataList
                     //Has a AyObjectType? (linkable / openable)
                     if (o.AyaObjectType != 0)
                         sb.Append($",\"ay\":{(int)o.AyaObjectType}");
-                    
+
                     //Row ID column?
-                    if(o.IsRowId){
-                         sb.Append($",\"rid\":1");
+                    if (o.IsRowId)
+                    {
+                        sb.Append($",\"rid\":1");
                     }
 
                     //Has a Enumtype?
@@ -85,6 +88,7 @@ namespace AyaNova.DataList
                         sb.Append($",\"et\":\"{AyaNova.Util.StringUtil.TrimTypeName(o.EnumType)}\"");
 
                     sb.Append("}");
+                    FirstColumnAdded = true;
 
                 }
             }