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

        internal void CheckNullable(DataRow row)
        {
            if (!AllowDBNull)
            {
                Debug.Assert(null != _storage, "no storage");
                if (_storage.IsNull(row.GetDefaultRecord()))
                {
                    throw ExceptionBuilder.NullValues(ColumnName);
                }
            }
        }