System.Data.DataColumn.IsNull C# (CSharp) Method

        internal bool IsNull(int record)
        {
            Debug.Assert(null != _storage, "no storage");
            return _storage.IsNull(record);
        }

        public bool IsNull(DataColumn column, DataRowVersion version)
        {
            this.CheckColumn(column);
            int recordFromVersion = this.GetRecordFromVersion(version);

            return(column.IsNull(recordFromVersion));
        }