private void RemoveField(string schemaKey, Dictionary <string, object> schemaData, string deletedFieldKey)
        {
            newListCountDict.Remove(string.Format(GDMConstants.MetaDataFormat, schemaKey, deletedFieldKey));
            GDEItemManager.RemoveFieldFromSchema(schemaKey, schemaData, deletedFieldKey);

            SetNeedToSave(true);
        }