Serenity.Data.Row.ClearAssignment C# (CSharp) Method

        public void ClearAssignment(Field field)
        {
            if (assignedFields == null)
                return;

            assignedFields[field.index] = false;

            for (var i = 0; i < assignedFields.Length; i++)
                if (assignedFields[i])
                    return;

            assignedFields = null;
        }

 public void CopyNoAssignment(Row source, Row target)
 {
     Copy(source, target);
     target.ClearAssignment(this);
 }